CN110438906A - A kind of deck type box arch bridge arch rib construction method - Google Patents

Abstract

The invention discloses a kind of deck type box arch bridge arch rib construction method, constructed Deck Arch Bridges include the arch rib that two width of left and right are symmetrically laid, when constructing to constructed Deck Arch Bridges arch rib, comprising steps of one, bridge bottom bracing structure is constructed；Two, arch rib is constructed, and process is as follows: the construction of steel arch-shelf support, translation slideway and lifting device are installed, steel arch-shelf is assembled, the jacking of arch support frame, first construction arch rib construction, arch support frame is transferred, cross sliding driving device installation, arch support frame is traversing, the jacking of arch support frame, rear construction arch rib is constructed and arch support frame is removed.The present invention has rational design and easy construction, using effect are good, using a steel arch-shelf to constructing after two width arch rib one first one, and using arch support and traverse displacement unit to steel arch-shelf be supported with it is traversing, energy is easy, the work progress of two width arch ribs is rapidly completed, and work progress is safe and reliable, can effectively improve the construction efficiency of Deck Arch Bridges.

Description

A kind of deck type box arch bridge arch rib construction method

Technical field

The invention belongs to technical field of bridge construction, more particularly, to a kind of deck type box arch bridge arch rib construction method.

Background technique

Deck Arch Bridges are that bridge deck is arranged bridge in spanning major bearing structures (i.e. arch rib) above, and skewback is by arch rib End (also referred to as arch abutment) thrust passes to the component of basement rock, positioned at the junction at arch bridge both ends and basement rock, the arch of Deck Arch Bridges Rib both ends are supported on skewback, and skewback is the important component for supporting spandrel structure.The skewback for being used to support arch rib is permanent branch Seat, the permanent support are generally the reinforced concrete structure being supported on basement rock.Wherein, arch rib is also referred to as main arch or arch ring, right When the deck type box arch bridge that arch rib is armored concrete arch ring is constructed, arch rib generallys use the steel set up in advance in place Arch carries out cast-in-place construction；After arch rib pouring molding, steel arch-shelf is removed.After steel arch-shelf is set up in place and use steel arch Before frame carries out pouring construction to arch rib, for the accurate stress for grasping steel arch-shelf under the influence of by factors such as load and temperature, strain And misalignment, it is ensured that safety successfully pours arch rib, need to carry out precompressed to the steel arch-shelf set up in place, and need to be to steel arch Frame carries out tunneling boring precompressed, and the main purpose of steel arch-shelf precompressed is: the first, examining the intensity and stabilization of steel arch-shelf and support Property, the inelastic deformation of steel arch-shelf before arch rib concrete placings are constructed is eliminated, the deformation of sedimentation and arch of steel arch-shelf are mainly eliminated The deformation of each contact site；The second, the stress condition and flexible deformation situation for examining steel arch-shelf, the elasticity for measuring steel arch-shelf become Shape.After arch rib pouring molding, steel arch-shelf is removed.

During practice of construction, the arch rib for usually thering are two width of left and right symmetrically to lay to Deck Arch Bridges, in conjunction with live ground Shape condition, construction site, duration and economy comprehensively consider, and usually only put into a set of steel arch-shelf, specifically first use precompressed Steel arch-shelf afterwards pours a width arch rib, by the construction location of traversing to another width arch rib of steel arch-shelf after the completion of pouring, Remove steel arch-shelf again after the completion of two width arch ribs are constructed.Especially the construction site of constructed Deck Arch Bridges it is limited, hand over Under the situations such as logical congestion is serious, to guarantee to have a good transport and communication network, simultaneously left and right width arch rib cannot construct simultaneously, be typically also first One width arch rib is poured using steel arch-shelf, then will be at the construction location of traversing to another width arch rib of steel arch-shelf.Also, due to During steel arch-shelf whole lateral moving, arch springing bottom spacing does not change, and steel arch-shelf deformation is negligible, and inelastic deformation has disappeared No longer need to carry out precompressed to the steel arch-shelf after traversing when removing, therefore constructing to another width arch rib, can directly to the arch rib into Row construction, thus construction cost can be substantially saved, saving of work and time.

But when nowadays carrying out traversing to steel arch-shelf, constructing operation is more casual, without a set of unification, the horizontal installing of specification Standby and method for traversing, along with the volume of steel truss is big and weight is big, the traversing difficulty of steel truss is big, inevitable during traversing Ground can have the problems such as traversing process is complicated, steel truss is unstable, transverse moving speed is slow, and traversing steel truss rear in place is not easy to prop up Support.Meanwhile by steel arch-shelf from poured removed below the arch rib of completion when, pouring molding is supported in since steel truss is firm Arch rib bottom, thus when removal, it is very big to be removed into difficulty below arch rib for steel truss, and remove in the process inevitably It causes steel truss to deform, or even steel truss is caused to damage.Such as it constructs to the lower firm small stream bridge for being located at three trip hole scenic spot centers When, since construction site is limited, traffic congestion is serious, further increases difficulty of construction, and can not be to two width arch ribs simultaneously It constructs, the construction period not can guarantee.

Summary of the invention

In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of deck type case Type arch rib construction method, design is rationally and easy construction, using effect are good, using a steel arch-shelf to two width arch ribs one First construct after one, and using arch support and traverse displacement unit to steel arch-shelf be supported with it is traversing, can simplicity, be rapidly completed The work progress of two width arch ribs, and work progress is safe and reliable, can effectively improve the construction efficiency of Deck Arch Bridges.

In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of deck type box arch bridge arch rib construction Method, it is characterised in that: constructed Deck Arch Bridges include the arch rib that two width of left and right are symmetrically laid, and arch rib described in a width is first to apply Work arch rib, arch rib described in another width are arch rib of constructing after constructing after the completion of the first construction arch rib construction；Every width institute The rear and front end for stating arch rib is respectively supported on a permanent support, and the permanent support is armored concrete support, the arch Bridge Xiang Bushe is indulged on rib edge and it is armored concrete arch ring；

A girder is laid with right above arch rib described in every width；The rear and front end of each girder is respectively supported at one On a abutment, the girder is in horizontal layout and it includes the middle part beam section being supported on arch rib and two are located at middle part beam The side beam section of section front and rear sides, the middle part beam section is connected between two side beam sections and three is along vertical bridge to cloth If being fastenedly connected along vertical bridge to the vertical upright column laid from front to back between the middle part beam section and arch rib by multiple；Each Along vertical bridge to being laid with multiple support pier studs being arranged vertically, the support pier from front to back below the side beam section Column is Reinforced Concrete Pier Column, and each side beam section is supported on the abutment and multiple support pier studs, The abutment and multiple support pier studs supported below each side beam section forms a side beam section Support construction；Two side beam section support constructions below each girder are respectively all side beam being located on front side of arch rib Section support construction and the rear side beam section support construction on rear side of arch rib, two permanent supports are respectively to be located at arch rib front end The permanent support in the front side of lower section and the permanent support of rear side below arch rib rear end；

The abutment is armored concrete abutment, and the vertical upright column is reinforced concrete upright column；Each side beam The support pier stud, each side beam section support construction are provided with below junction between section and middle part beam section In abutment and multiple support pier studs be uniformly set on same vertical plane；

When constructing to constructed Deck Arch Bridges arch rib, comprising the following steps:

Step 1: bridge bottom bracing structure is constructed: to two below the girder each in constructed Deck Arch Bridges A permanent support and two side beam section support constructions are constructed respectively, obtain all side beam of construction molding Section support construction, the rear side beam section support construction, the permanent support in the front side and the permanent support of the rear side；

Step 2: arch rib is constructed: it is constructed using steel arch-shelf arch rib described in two width of constructed Deck Arch Bridges, and Using arch support and traverse displacement unit to the steel arch-shelf be supported with it is traversing；

The steel arch-shelf is the arch support frame constructed to arch rib, and the rear and front end of the arch rib is respectively supported at one On a permanent support, the permanent support is armored concrete support；Bridge Xiang Bushe is indulged on the arch rib edge and it is reinforced concrete Native arch ring, the transverse girder between arch rib is in the surface of arch support frame, and the arch support frame is along vertical bridge Xiang Bushe；

The arch support includes the translating device translated along direction across bridge to arch support frame, left and right with traverse displacement unit Two symmetrical to lay and the lifting device that moves up and down to arch support frame and left and right two is symmetrical lays and to arch branch The steel arch-shelf support that support is supported, each steel arch-shelf support are respectively positioned on the underface of arch rib described in a width；The arch One of transverse distribution beam is provided with below the rear and front end of shape support frame, the transverse distribution beam is in horizontal layout and it is along cross Bridge Xiang Bushe；The rear and front end bottom of the arch support frame is mounted on one and is transversely mounted seat, and the seat that is transversely mounted is in Horizontal layout and its along the transverse bridge, transverse distribution beam described in per pass be mounted on one described in be transversely mounted a bottom；

Each steel arch-shelf support includes the interim skewback that former and later two are symmetrically laid, and two interim skewbacks are equal Along the transverse bridge and the two is respectively for the preceding support of arch support frame front support and for the support of arch support frame rear end Rear support；

Each interim skewback is L shape support；The L shape support includes that a horizontal seat and one are laid in water The vertical support of the outer upper side of flat bearing, the horizontal seat and vertical support are along the transverse bridge and mixed both for reinforcing bar Soil support is coagulated, horizontal seat and vertical support are poured and be integrated in each interim skewback；On each horizontal seat The M vertical grooves being laid on same vertical plane are provided with, the structure snd size of the M vertical grooves are all the same and it is along cross Bridge to laying from left to right；Wherein, M is positive integer and M >=3；Each vertical groove is cube tray；Face described in each When skewback in M vertical grooves be respectively positioned on the inside of vertical support；

The preceding support composition front side support of two steel arch-shelf supports, two steel arch-shelf supports it is described after Support composition rear side support；In the front side support all vertical grooves be laid in same level and its along direction across bridge by Left-to-right is laid on same vertical plane, and all vertical grooves are laid in same level and its edge in the rear side support Direction across bridge is laid in from left to right on same vertical plane；

Each lifting device is laid on the steel arch-shelf support；Before each lifting device includes Latter two elevating mechanism symmetrically laid is laid with the elevating mechanism on each interim skewback；It is each described Elevating mechanism includes N number of vertical jack being laid in from left to right on same vertical plane along direction across bridge, and N number of described vertical thousand The structure snd size on jin top are all the same and it is laid in same level, and the vertical jack is arranged vertically Hydraulic jack；Wherein, N is positive integer and 2≤N≤M；Each vertical jack is laid in the vertical groove It is interior；

All vertical jack on the front side support be laid in same level and its along direction across bridge by it is left extremely The right side is laid on same vertical plane, all vertical jack composition front sides jacking apparatus on the front side support；The rear side All vertical jack on support be laid in same level and its be laid in from left to right along direction across bridge it is same vertical All vertical jack composition rear side jacking apparatus on face, on the rear side support；The front side jacking apparatus is located at together The underface of the transverse distribution beam, the rear side jacking apparatus are located at the underface of transverse distribution beam described in another road；Each All vertical jack on the steel arch-shelf support form the steel arch-shelf that one synchronizes jacking to arch support frame and jack Device；

The translating device includes being transversely mounted the translation slideway that seat is translated described in former and later two symmetrical layings and confession The cross sliding driving device translated with former and later two synchronous drive arch support framves along direction across bridge, two traversing driving dresses Set and be symmetrically arranged, the translation slideway in horizontal layout and its along the transverse bridge；Each cross sliding driving device wraps A pushing tow jack along direction across bridge to the horizontal pushing tow of the transverse distribution beam carry out is included, the pushing tow jack is in horizontal cloth And if it is along the transverse bridge；Each pushing tow jack is laid in same vertical plane with the transverse distribution beam together On, the pushing tow jack support top is on the transverse distribution beam being located on same vertical plane；

Two translation slideways are respectively the front side slideway being installed on the front side support and are installed on the rear side Rear side slideway on support；Be mounted on the inner sidewall of each vertical support one supply described in be transversely mounted seat carry out it is flat The horizontal slide of shifting, the horizontal slide is along the transverse bridge and it is located at described be transversely mounted below seat；The front side support In the horizontal slide installed on two vertical supports be laid on same level straight line and the two forms the front side Slideway, the horizontal slide installed on two vertical supports in the rear side support be laid on same level straight line and The two forms the rear side slideway；

When being constructed using steel arch-shelf arch rib described in two width of constructed Deck Arch Bridges, process is as follows:

Step 201, steel arch-shelf support construction: to the arch support with traverse displacement unit in two steel arch-shelf supports into Row construction, obtains the front side support and the rear side support of construction molding；

Step 202, translation slideway and lifting device are installed: being completed to the front side support and rear side support construction Afterwards, a translation slideway is installed respectively on the front side support of construction molding and the rear side support；Meanwhile it being constructed into The lifting device is installed respectively on the steel arch-shelf support of two of type；

Step 203, steel arch-shelf are assembled: carrying out assembly to arch support frame, and be located at assembled molding arch support frame The underface of the arch rib of first constructing, while it is supported in assembled molding arch support frame immediately below the arch rib of first constructing On one lifting device, and it is respectively supported at arch support frame rear and front end on one elevating mechanism；

Step 204, the jacking of arch support frame: use is supported in the lifting device below arch support frame for arch branch Support jacks straight up, until jacking arch support frame to the construction location of the arch rib of first constructing；

Step 205, the first construction of construction arch rib: it props up stood for the elder generation that constructs on the arch support frame in step 204 The forming panel of construction arch rib, and constructed using the forming panel to the first construction arch rib；

Step 206, the decentralization of arch support frame: after the completion of arch rib of first constructing described in step 205 construction, encircleed using being supported in The lifting device or vertically movable device below shape support frame, under being carried out vertically to arch support frame described in step 204 It puts, until the rear and front end of the arch support frame is respectively supported on the translation slideway；

Step 207, cross sliding driving device installation: former and later two described cross sliding driving devices are installed respectively, are obtained The translating device being installed, and make in the translating device each pushing tow jack and in arch support frame The transverse distribution beam is laid on same vertical plane together, and the pushing tow jack support top is in the institute being located on same vertical plane It states on transverse distribution beam；

Step 208, arch support frame are traversing: using former and later two described cross sliding driving devices in step 208 along direction across bridge Synchronous drive arch support frame is translated to the rear construction arch rib side, until arch support frame is moved to the rear arch of constructing The underface of rib, while it is supported in arch support frame on a lifting device immediately below the rear construction arch rib, and It is respectively supported at arch support frame rear and front end on one elevating mechanism；

Step 209, the jacking of arch support frame: use is supported in the lifting device below arch support frame for arch branch Support jacks straight up, until jacking arch support frame to the construction location of the rear construction arch rib；

Step 210, rear construction arch rib construction: in step 209 on the arch support frame branch stand for construct it is described after Construct the forming panel of arch rib, and constructed using the forming panel to construction arch rib after described, completion construct on hold The work progress of arch rib described in two width of formula arch bridge；

Step 211, arch support frame are removed: being removed to arch support frame described in step 210.

Above-mentioned a kind of deck type box arch bridge arch rib construction method, it is characterized in that: arch rib of first being constructed in step 205 is applied The construction of construction arch rib, first constructs to the bottom plate of arch rib after in working hour and step 210；

The structure of forming panel described in step 205 neutralization procedure 210 is identical and the two includes being located at arch rib bottom Two side templates symmetrically laid of end template and left and right, the end template is arch template, and two side templates are in vertical To laying and the two is supported on end template；

Before constructing in step 205 neutralization procedure 210 to the bottom plate of arch rib, molding press is first laid above end template Structure, the press moulding mechanism are located between two side templates；

The arch rib be box beam and it include that bottom plate, the top plate right above bottom plate, K are laid in bottom plate from left to right On web and multiple diaphragm plates being laid on bottom plate from front to back, the bottom plate, top plate and web be armored concrete Plate, the diaphragm plate are concrete slab；Wherein, K is positive integer and K >=3；The bottom plate and top plate are arch, multiple described Web and multiple diaphragm plates are supported between bottom plate and top plate, the structure snd size of multiple webs it is all the same and its Along vertical bridge Xiang Bushe, multiple webs are arranged vertically, and the web in multiple webs positioned at the leftmost side is a left side Coxostermum, the web that the rightmost side is located in multiple webs is right web, removed in construct arch ring the left web with All webs except the right web are median ventral plate, and the quantity of median ventral plate described in constructed arch ring is K-2；It is multiple Along the transverse bridge and it is arranged vertically, each diaphragm plate is all connected to the left web to the diaphragm plate Between the right web；Each diaphragm plate passes through the K-2 median ventral plates and is divided into K-1 tabula plate segment, often A tabula plate segment is respectively positioned between the two neighboring web；Cavity between the two neighboring web passes through more A tabula plate segment be divided into from front to back it is multiple pour chamber, it is each described to pour chamber to be respectively positioned on front and back two neighboring described Between tabula plate segment；It is provided between each web and bottom plate and between each tabula plate segment and bottom plate Chamfering；

The press moulding mechanism includes K-1 column pressuring template, and pressuring template described in each column is respectively positioned between the two neighboring web； Pressuring template described in each column includes multiple pressuring templates being laid on same vertical plane from front to back, each equal position of pressuring template Pour described in one intracavitary, each described pour intracavitary is provided with the pressuring template；

Each pressuring template include it is multiple be laid in from front to back it is same it is described pour intracavitary pressing mold plate unit, The direction across bridge width of multiple pressing mold plate units is all the same and it is laid on same vertical plane, the two neighboring pressing mold It is reserved with one between plate unit and pours mouth, the gap for pouring mouth between the two neighboring pressing mold plate unit；

Each pressing mold plate unit includes top board, the symmetrical side for being laid in two upper side of top board in left and right two Template and former and later two be laid in the end template above top board both ends, two side templates along vertical bridge Xiang Bushe, Two end templates are along the transverse bridge；The top board be arch and its by the bending of one piece of rectangle straight template and At the top board carries out molding forming panel for the upper surface to bottom plate at institute's installation position；The side template and end Portion's template is folding type template, and the folding type template includes carrying out molding chamfering forming panel to chamfering and being connected to down The top forming panel on angle forming panel top；The chamfering forming panel and top forming panel are straight template, described Chamfering forming panel is isosceles trapezoid template and its width is gradually increased from the bottom to top, and the top forming panel is rectangle mould Plate, the width of the top forming panel are identical as the upper width of its connected chamfering forming panel；In the side template Top forming panel be that molding forming panel is carried out to the side wall of web, the top forming panel in the end template is Molding forming panel is carried out to the side wall of the tabula plate segment；

Four top forming panels connect into cube being arranged vertically in each pressing mold plate unit Body template, four chamfering forming panels connect into a tetragonous cone table shape template in each pressing mold plate unit.

Above-mentioned a kind of deck type box arch bridge arch rib construction method, it is characterized in that: the arch support frame is an assembly Formula steel arch-shelf is assembled by multiple assembling type steel arches laid from left to right along direction across bridge, each pin-connected panel steel arch Frame is an arched frame, each assembling type steel arch along vertical bridge Xiang Bushe and its from it is multiple along vertical bridge in the past extremely The arch assembly segment laid afterwards is spliced；

When carrying out steel arch-shelf assembly in step 203, carried out using arch assembly device assembled；

The arch assembly device include the cable crane that is lifted of the arch assembly segment to assembling type steel arch and The arch moved one by one to arch assembly segment is segmented transfer device；

The arch segmentation transfer device includes the assembled segment movement being horizontally moved one by one to arch assembly segment What device and the confession assembled segment mobile device moved horizontally moves horizontally channel, and the channel that moves horizontally is in horizontal layout And it is along vertical bridge Xiang Bushe；

The channel that moves horizontally is laid in the rear side beam section support construction in the arch rib dead astern of first constructing, institute The rear side beam section support construction for stating arch rib dead astern of first constructing is movable passageway support construction；It is described to move horizontally channel packet Include the longitudinal support beam being supported in the movable passageway support construction, the assembly segment mobile device be one can be Longitudinal support beam be moved forward and backward and moved arch assembly segment is driven to synchronize mobile horizontal shifting in moving process Dynamic device, the longitudinal support beam is in horizontal layout and it is along vertical bridge Xiang Bushe；The horizontally moving device is laid in longitudinal branch It supports on beam, moved arch assembly segment level is supported on the horizontally moving device；The rear end of the longitudinal support beam is It is supported in the abutment support end in the movable passageway support construction on abutment, the front end of the longitudinal support beam is lifting end； The Horizontal limiting part limited to the horizontally moving device is provided on the lifting end of the longitudinal support beam；

The cable crane includes former and later two pylons, the working cable being installed on two pylons and can be along working cable Carry out be moved forward and backward and to the trolley that arch assembly segment is lifted, the trolley is mounted on working cable and it Between two pylons, the trolley is located above the first construction arch rib；Two pylons and the elder generation Construction arch rib and longitudinal support beam are respectively positioned on same vertical plane, and two pylons are respectively before being located at the arch rib of first constructing The preceding pylon of side and the tail tower on rear side of the arch rib of first constructing；

It is preceding pier stud that support pier stud is located on the foremost side in the rear side beam section support construction, and the longitudinal support beam rises It hangs end to be located on front side of the tail tower, the lifting end of the longitudinal support beam is supported on the preceding pier stud, the longitudinal bracing The horizontal shore passed through in the middle part of tail tower described in Liang Weicong；The tail tower and the preceding pier stud are supported in the rear side forever On long support, the preceding pier stud is located on front side of the tail tower；

Rear side beam section support before carrying out steel arch-shelf assembly in step 203, in the arch rib dead astern of first constructing Channel is moved horizontally in structure described in construction, and moves horizontally the channel installation assembled segment mobile device described, is obtained The arch that construction is completed is segmented transfer device；Meanwhile it constructing to the cable crane, and will be in the cable crane The tail tower be supported in it is described first construct arch rib on rear side of the permanent support of the rear side on；

When carrying out assembled to arch support frame in step 203, by elder generation to rear all assembling type steels in arch support frame Arch carries out assembly respectively, and the assembling method of all assembling type steel arches is all the same in arch support frame；

When carrying out assembled to arch support frame, comprising the following steps:

Step A1, side joggle truss is assembled: to two sides of one in the arch support frame assembling type steel arch Portion's joggle truss carries out symmetrical assembled；

When carrying out assembled any one described side joggle truss, from the bottom to top to the multiple institutes for forming the side joggle truss It states arch assembly segment and carries out assembly, process is as follows:

Step A11, first arch assembly section assembling: will be current assembled using arch segmentation transfer device Arch assembly segment is translate forward to the front end for moving horizontally channel, then uses the lifting of the cable crane Trolley lifts arch assembly segment and transfers the assembled process for completing current institute's assembly arch assembly segment in place；

In this step, current assembled arch assembly segment is an institute in the side joggle truss positioned at bottommost State arch assembly segment；

Step A12, upper arch assembly section assembling: using arch segmentation transfer device that a upper institute is assembled Arch assembly segment translate forward to described above the front end for moving horizontally channel, then use described of the cable crane Weight trolley lifts arch assembly segment and is transferred in place, while by the arch assembly segment transferred in place and being located under it Side and the assembled arch assembly segment connection completed, complete the assembled process of current institute's assembly arch assembly segment；

Step A13, one or many to repeat step A12, complete all arch assembly segment in the side joggle truss Assembled process obtains the assembled side joggle truss completed；

Step A2, vault splices section assembling: the side joggle truss of two of formula steel arch-shelf to be assembled is assembled to be completed Afterwards, vault splicing segment is translate forward to the front end for moving horizontally channel using arch segmentation transfer device Side, then vault splicing segment is lifted and transferred in place using the trolley of the cable crane, at the same will under The vault splicing segment for being put into position is connect with the assembled two side joggle trusses completed, completes an assembling type steel Arch closes up process, obtains an assembled molding assembling type steel arch；

Step A3, judgement is completed in the assembly of arch support frame: being judged whether arch support frame is assembled and is completed, when arch support frame When assembly is completed, the assembled process of arch support frame is completed, enters step 204；Otherwise, A4 is entered step；

Step A4, next assembling type steel arch is assembled: according to method described in step A1 to step A2, to arch branch Next assembling type steel arch in support carries out assembly, and each arch in current assembled assembling type steel arch is spelled Dress segment is connect with the assembling type steel arch that assembly is completed at this time；

Step A5, judgement is completed in the assembly of arch support frame: being judged whether arch support frame is assembled and is completed, when arch support frame When assembly is completed, the assembled process of arch support frame is completed, enters step 204；Otherwise, return step A4.

Above-mentioned a kind of deck type box arch bridge arch rib construction method, it is characterized in that: the support of arch described in step 2 and cross Moving device further includes two fall girder apparatus symmetrically laid in left and right, and each fall girder apparatus is laid in the steel arch-shelf On support；Each fall girder apparatus includes the Luo Liang mechanism that former and later two are symmetrically laid, on each interim skewback It is laid with the Luo Liang mechanism；Each Luo Liang mechanism includes H and is laid in same erect from left to right along direction across bridge The temporary support faced directly and be supported in decentralization process to the steel arch-shelf, the temporary support are arranged vertically, and H The structure snd size of the temporary support are all the same and it is laid in same level；Wherein, H is positive integer and H≤M； Each temporary support is laid in the vertical groove；

All temporary supports on the front side support be laid in same level and its along direction across bridge from left to right It is laid on same vertical plane, all temporary support composition front sides on the front side support fall beam support；The rear side support On all temporary supports be laid in same level and it is laid on same vertical plane from left to right along direction across bridge, institute All temporary support composition rear sides stated on rear side support fall beam support；The front side falls beam support and is located at the transverse direction point together Underface with beam, the rear side fall the underface that beam support is located at transverse distribution beam described in another road；Each steel arch-shelf All temporary supports on support form a steel arch-shelf for synchronizing support to the steel arch-shelf and fall beam support；

The temporary support is sand cylinder or sandbox；

In step 204 arch support frame jacking after the completion of, to be located at it is described first construct arch rib immediately below described in fall beam dress It sets and is installed, and be respectively supported at the rear and front end of arch support frame in one Luo Liang mechanism；Later, it will be supported in The lifting device below arch support frame is removed；

Vertically movable device described in step 206 is the fall girder apparatus；

When carrying out the decentralization of arch support frame in step 206, the fall girder apparatus being supported in below arch support frame is utilized Arch support frame described in step 204 is transferred vertically；

In step 209 arch support frame jacking after the completion of, to be located at it is described after construction arch rib immediately below described in fall beam dress It sets and is installed, and be respectively supported at the rear and front end of arch support frame in one Luo Liang mechanism；Later, it will be supported in The lifting device below arch support frame is removed.

A kind of above-mentioned deck type box arch bridge arch rib construction method, it is characterized in that: arch support frame described in step 2 Former and later two arch springings are respectively supported on an arch hinged seat, and the arch hinged seat is transversely mounted seat, the cross to be described It is the skewback beam for being installed on arch hinged seat bottom to distribution beam；The arch support frame be arranged vertically and its along vertical bridge to It lays；

The arch support frame includes former and later two arch springing segments for symmetrically laying and is connected to two arch springing segments Between load-bearing steel arch-shelf, the load-bearing steel arch-shelf and two arch springing segments are along vertical bridge Xiang Bushe；

The bottom of two arch springing segments is provided with the lateral steel pipe being supported horizontally on arch hinged seat, institute State lateral steel pipe in horizontal layout and its along the transverse bridge, it is described transverse direction steel pipe be round steel pipe；Each lateral steel pipe It is supported on the arch hinged seat, with hinge between each lateral steel pipe and its arch hinged seat supported The mode of connecing is attached；

The arch hinged seat includes the horizontally-supported seat being supported on skewback beam and is supported in described horizontally-supported Supporting steel plate on seat, the horizontally-supported seat and supporting steel plate be in horizontal layout and the two along the transverse bridge；It is described The cross section of supporting steel plate is arc, and each lateral steel pipe is supported on a supporting steel plate, each lateral steel Managing the supporting steel plate supported with it is in coaxial laying, and the supporting steel plate is located at the outer side-lower for supporting lateral steel pipe.

Above-mentioned a kind of deck type box arch bridge arch rib construction method, it is characterized in that: two below the arch rib of first constructing The rear abutment that the abutment is respectively supported in the preceding abutment below the girder front end and is supported in below the main beam rear end, The dead astern of anchor ingot before being provided with immediately ahead of the preceding abutment, the rear abutment is provided with rear anchor ingot；

Two side joggle trusses are respectively the front side assembly frame being located on front side of vault splicing segment and spell positioned at vault Connect the rear side assembly frame on rear side of segment；

Arch temporary securing mechanism is provided on each pylon, the arch temporary securing mechanism includes left and right two Group is symmetrically arranged and to the knotted rope that the arch assembly segment lifted in place is fixed temporarily, and knotted rope described in every group is with one A vertical supporting frame is laid on same vertical plane；Knotted rope described in every group includes that multiple tracks is from top to bottom laid in same erect The knotted rope faced directly, knotted rope described in multiple tracks is along vertical bridge Xiang Bushe；

Multiple buckleing for knotted rope installation are from top to bottom laid in the cable crane on each vertical supporting frame Rope pulley, all knotted rope pulleys laid on each vertical supporting frame are respectively positioned on same vertical plane, are detained described in per pass Rope is installed on the knotted rope pulley；

The front end of knotted rope described in per pass is each attached in the rear side assembly frame one and has lifted in place in the tail tower Arch assembly segment on, the rear end of knotted rope described in per pass is each attached on rear anchor ingot in the tail tower；

The rear end of knotted rope described in per pass is each attached to an arch in the front side assembly frame and spells in the preceding pylon It fills on segment, before the front end of knotted rope described in per pass is each attached in the preceding pylon on anchor ingot；

In step A12 by decentralization arch assembly segment in place be disposed below and the assembled arch assembly section completed After section connection, also need to be fixed temporarily arch assembly segment assembled in this step by the knotted rope together.

Above-mentioned a kind of deck type box arch bridge arch rib construction method, it is characterized in that: each pylon includes assembly type Frame body, the assembling type frame body include the two vertical supporting framves symmetrically laid in left and right；In the tail tower two it is described vertical Support frame is supported on the permanent support of the rear side, and two vertical supporting framves are symmetrically laid in described in the tail tower The left and right sides in channel is moved horizontally, the clear distance of two vertical supporting framves moves horizontally logical greater than described in the tail tower The width in road；

Each pylon further includes the tower mount for assembling type frame body bottom installation, and the tower mount is in water Plain cloth set and its along the transverse bridge, the assembling type frame body is located at right above tower mount；

Each vertical supporting frame bottom is provided with the tripod being installed on tower mount, the tripod bottom Be attached in hinged way between the tower mount that is disposed below；One is provided with immediately below each tower mount Road bottom distribution beam, the bottom distribution beam in horizontal layout and its along the transverse bridge；Positioned at the bottom of the tail tower bottom Portion's distribution beam is fixed on the permanent support of the rear side, and the bottom distribution beam positioned at the preceding tower bottom is fixed on the front side On permanent support.

Above-mentioned a kind of deck type box arch bridge arch rib construction method, it is characterized in that: being carried out under arch support frame in step 206 When putting, after institute's casting concrete intensity reaches 90% or more of design strength in arch rib of first constructing described in step 205, then it is right Arch support frame described in step 204 is transferred vertically；

When carrying out the dismounting of arch support frame in step 211, institute's casting concrete in arch rib of constructing after described in step 210 After intensity reaches 90% of design strength or more, then arch support frame is removed.

Above-mentioned a kind of deck type box arch bridge arch rib construction method, it is characterized in that: each vertical branch in the pylon The cable saddle for working cable installation is provided on support；

The quantity of the working cable is twice, and working cable described in twice is along vertical bridge Xiang Bushe and the two is symmetrically laid in institute Above the left and right sides for stating arch rib of first constructing；It is mounted on former and later two trolleys on working cable described in per pass, two The trolley is respectively positioned between two pylons；Four pairs of arches of trolley group are spelled in the cable crane The hanging apparatus that dress segment is lifted；

Working cable described in twice respectively left side working cable and the right side working cable on the right side of the left side working cable, often Two vertical supporting framves in a pylon are respectively Left-side support frame and the right side on the right side of the Left-side support frame Side stand component；The left side working cable is supported on the Left-side support frame of two pylons, the right side working cable branch It supports on the Right side support frame of two pylons；

An arch assembly section is carried out when carrying out first arch assembly section assembling in step A11 and in step A12 When section is assembled, it is all made of the arch segmentation transfer device and translates forward current assembled arch assembly segment；Work as arch When the front end of assembled segment is moved to above the preceding pier stud, moved arch assembly segment enters the lifting of the cable crane Preceding sport car is connect by region with the front end of moved arch assembly segment at this time, and sport car is to moved arch assembly section before completing Duan Qianduan is lifted；Recycle arch segmentation transfer device by arch assembly segment along vertical bridge to continuing to move along, Until after the front end of moved arch assembly segment is moved to above the preceding pier stud, rear sport car and moved arch is assembled The rear end of segment connects, and sport car lifts moved arch assembly segment rear end after the completion；Sport car and arch is moved after After the rear end connection of frame assembly segment, lifting of the hanging apparatus of the cable crane to arch assembly segment is completed Journey, then by arch assembly segment lifting and transferred in place by the hanging apparatus of the cable crane.

A kind of above-mentioned deck type box arch bridge arch rib construction method is torn open it is characterized in that: carrying out arch support frame in step 211 Except when, using steel arch-shelf remove device arch support frame is removed；

Arch rib described in two width is the box beam of crossing river channel；

It includes that the arch assembly segment of removed arch support frame is driven to be horizontally moved that the steel arch-shelf, which removes device, And by horizontal shifting platform that arch assembly segment is removed below construction arch rib after described, drive the horizontal shifting platform into The mobile platform moving mechanism of row and arch assembly segment is vertically transferred and is transferred arch assembly segment to the water Translate the arch discharging mechanism on moving platform；Each arch assembly segment is suspended to by more hanger bar fastenings described Afterwards below construction arch rib, bottom plate perpendicular cloth of the every hanger bar with rear construction arch rib described at its installation position If multiple mounting holes for hanger bar installation are reserved with after described on the bottom plate of construction arch rib；

The arch discharging mechanism includes the hoisting mechanism that multiple pairs of transferred arch assembly segments are lifted, Duo Gesuo Hoisting mechanism is stated to be respectively positioned on the rear construction arch rib, it is logical between each hoisting mechanism and transferred arch assembly segment Lifting rope is crossed to be attached；

The horizontal shifting platform is the floatation type platform floated on river, and the floatation type platform is located at arch support Below frame；The platform moving mechanism includes that the left side on the left of arch support frame and floatation type platform being driven to be moved to the left is moved Motivation structure and on the right side of arch support frame and the right side mobile mechanism that drives floatation type platform to move right, the left side are mobile Mechanism and right side mobile mechanism are electrical hoist；Between the left side mobile mechanism and floatation type platform sinistral and right side It is attached by drawstring between mobile mechanism and floatation type platform dextral.

Compared with the prior art, the present invention has the following advantages:

1, method and step design is rationally and easy construction, using effect are good, and the construction period is shorter, using a steel arch-shelf pair It constructs after two width arch rib one first one, can be reduced construction cost, save the construction period, and using arch support and traversing dress Set to steel arch-shelf be supported with it is traversing, can work progress easy, that two width arch ribs are rapidly completed, and work progress safety, Reliably, the construction efficiency of Deck Arch Bridges arch rib can be effectively improved, it is ensured that the construction period.

2, using a steel arch-shelf to constructing after two width arch rib one first one, due to using arch support and traverse displacement unit To steel arch-shelf be supported with it is traversing, traversing process is steady and safe and reliable, traversing process steel arch-shelf structure will not be caused appoint What is influenced, thus a precompressed need to be only carried out to steel arch-shelf, and a precompressed is specifically formerly carried out before the construction of construction arch rib, When arch rib of constructing after subsequent progress is constructed, without carrying out precompressed to steel arch-shelf, it is further reduced construction cost, saves construction work Phase.

3, used segmented movement and Lift-on/Lift-off System is reasonable in design, easy construction and investment construction cost compared with It is low.

4, used pylon structure is simple, design is reasonable and investment construction cost is lower.Also, actual installation is easy, The bottom distribution beam of frame body base bottom need to be only fixed on permanent support (i.e. tower foundation), then by assembling type frame body and frame Body pedestal carries out hinged.

5, used frame body understructure is simple, processing and fabricating is convenient and input cost is lower, and frame body pedestal energy It is translated in the distribution beam of bottom along direction across bridge, so as to pass through the easy cloth to pylon on permanent support of frame body pedestal energy If position is adjusted, pylon position is adjustable and easy to adjust, is able to satisfy simplicity, the fast hoisting demand of cable crane.

6, arch temporary securing mechanism is provided on pylon can be assembled to the arch lifted in assembling type steel arch in place Segment is fastened and fixed, and is dismounted easily, fixed reliable.

7, used pylon is easy to use and using effect is good, just can be forever after the completion of the construction of permanent support The present invention is installed on long support, using permanent support as tower foundation, support is firm, reliable, and without in addition applying Work tower foundation, saving of work and time, while it is small to occupy construction space.Using the skewback of constructed Deck Arch Bridges arch rib as pylon Basis, and assembling type frame body bottom is mounted in hinged way on frame body pedestal, when actual installation, only need to be by frame body pedestals It is steadily mounted on tower foundation, actual installation is easy, firm, and installation difficulty is low.

8, used arch is segmented transfer device simple structure and reasonable design and investment construction cost is lower.

9, the side beam section support knot that used arch segmentation transfer device is supported using a counter-lateral quadrents beam section Arch assembly segment directly, quickly can be moved to rising for cable crane as the bottom bracing structure for moving horizontally channel by structure Region is hung, is occupied little space, and easy construction, quickly, without special construction movable passageway, saving of work and time can be saved significantly About cost, while not limited by construction site and construction condition, using effect is good.

10, it is used move horizontally channel design rationally, easy construction and using effect it is good, it is only necessary in movable passageway branch A longitudinal support beam is set up on support structure.Steadily, to be quickly horizontally moved convenient for horizontally moving device, it is simultaneously Horizontally moving device is oriented to, track is moved horizontally in longitudinal support beam setting, is dismounted easily and input cost is lower.

11, used horizontally moving device simple structure and reasonable design and it is easy to use, using effect is good, and And input cost is low, energy Reusability, horizontally moving device includes the two groups of horizontal mobile mechanisms symmetrically laid in left and right, can be to institute Mobile arch assembly segment is steadily moved, while horizontally moving device is matched with Horizontal limiting part, it is ensured that moves arch The moving process of frame assembly segment is safe and reliable.

12, used arch segmentation transfer device is easy to use and using effect is good, by a side beam Section support construction, which is set up, moves horizontally channel, and located level mobile device just can be to arch assembly section on moving horizontally channel Duan Jinhang is steadily moved, while the front end for moving horizontally channel is located on front side of the tail tower of cable crane, and moves horizontally logical Road can be passed through from tail tower, thus energy is easy, arch assembly segment is quickly moved to the lifting region of cable crane, and Arch assembly segment moving process is safe and reliable, and arch assembly segment easy, quickly can be transferred to of cable crane one by one It hangs in range, largely reduces the lifting difficulty of cable crane, accelerate the lifting efficiency of cable crane.

13, reasonable, the easy to use and using effect of used arch assembly equipment mechanism design is good, by arch point Section transfer device is used in combination with cable crane, and in cable crane two pylons installation position is reasonable, easy construction, Channel is moved horizontally by setting up in a side beam section support construction, and the located level mobile device on moving horizontally channel Just arch assembly segment can steadily be moved, it can lifting easy, that arch assembly segment is quickly moved to cable crane Region, and arch assembly segment moving process is safe and reliable.Also, cable crane is matched with arch segmentation transfer device, Mobile arch assembly segment in place is lifted and is transferred in place, so as to simplicity, steel arch-shelf assembly process is rapidly completed.

14, used steel arch-shelf simple structure and reasonable design and it is easy to use, using effect is good, arch support It is attached, can effectively expire in hinged way between lateral steel pipe set by frame rear and front end and the arch hinged seat supported The Deformation Demands of sufficient arch support frame；And along direction across bridge it is synchronous push two skewback beams just can it is easy by arch support frame from institute It is removed immediately below construction arch rib, so as to subsequent use or dismounting.

15, used arch hinged seat is easy to use and using effect is good, and arch hinged seat is by a horizontal branch Seat and a supporting steel plate composition are supportted, the rear and front end of arch support frame is respectively supported on an arch hinged seat, arch The rear and front end of support frame is provided with a lateral steel pipe, and with hinged side between lateral steel pipe and institute's scaffold hinged seat Formula is attached, and can effectively meet the Deformation Demands of arch support frame in this way.

16, used arch hinged seat using effect is good, the significant horizontal power born on arch hinged seat and vertical Power, horizontal force passes to horizontal seat and vertical force passes to vertical support, and arch hinged seat and steel arch-shelf are formed hingedly, can incite somebody to action The active force born on arch hinged seat is transferred to skewback.

17, the support of used arch and traverse displacement unit simple structure and reasonable design and to put into construction cost lower.

18, the design of steel arch-shelf seat structure is rationally and using effect is good, and the underface of two constructed arch ribs is laid respectively One steel arch-shelf support, the L shape support symmetrically laid in steel arch-shelf support using former and later two is as the interim of steel arch-shelf arch springing Skewback, L shape support are laid on the permanent support of arch rib, and support is firm, reliable；Also, it is opened on the horizontal seat of L shape support If multiple vertical grooves, and place in vertical groove vertical jack and form elevating mechanism, by elevating mechanism by steel arch-shelf It is adjusted to holding state or traversing state, easy steel arch-shelf can be gone up and down and be translated.

19, used translation slideway structure is simple, design is reasonable and easy construction, using effect are good, and translates slideway It is used in combination, easy, quickly steel arch-shelf can be carried out traversing with the seat that is transversely mounted of steel arch-shelf arch springing.

20, used traverse displacement unit simple structure and reasonable design and it is easy to use, using effect is good, interim to encircle Traversing distribution beam is set on seat, and arch hinged seat is fixedly secured in transverse distribution back portion, transverse distribution beam connects when traversing Transverse distribution beam is pushed to realize whole lateral moving with arch hinged seat and steel arch-shelf whole lateral moving, and by traverse displacement unit, it is practical Easy to operate, the time is convenient, and can ensure that traversing process is easy, quick and steady progress.

21, used arch assembly device and arch support are used in combination with traverse displacement unit, in arch assembly device Arch segmentation transfer device is easy, arch assembly segment is quickly moved to the lifting region of cable crane, and cable crane will In place, energy is easy, steel arch-shelf assembly process is rapidly completed for mobile arch assembly segment lifting in place；Arch support and traversing dress A steel arch-shelf support is laid respectively in the underface of two constructed arch ribs in setting, and is made in steel arch-shelf support using L shape support For the interim skewback of steel arch-shelf arch springing, multiple vertical grooves are opened up on the horizontal seat of L shape support, and are put in vertical groove It sets vertical jack and forms elevating mechanism, steel arch-shelf is adjusted to by holding state or traversing state by elevating mechanism, lead to simultaneously It crosses translating device and carries out the purpose traversing, realization constructs to two arch ribs by a steel arch-shelf to steel arch-shelf.Thus, energy Steel arch-shelf assembly and traversing process is rapidly completed in simplicity, and work progress is safe and reliable.

22, used press moulding mechanism simple structure and reasonable design and investment construction cost it is lower.

23, used pressuring template cellular construction is simple, design is reasonable and processing and fabricating is easy, processing cost is lower, and And pressing mold plate unit includes top board, left and right two side templates and former and later two end templates, and side template and end mould Plate is all made of folding type template, can bottom segment to web and tabula plate segment and chamfering synchronize and pour.

24, pressing mold plate unit is fixed on baseplate reinforcing bar cage using crotch, not only fixed easy, and after pressing mold plate unit Phase removes simplicity, and the used crotch later period is without removing.

25, used press moulding mechanism is easy to use, using effect is good, forms molding press using multiple row pressuring template Structure, and each pressuring template is all made of the multiple pressing mold plate units laid from front to back, is reserved between the pressing mold plate unit of front and back Mouth is poured, energy is easy, the concreting process of deck type box arch bridge arch floor is rapidly completed, and can effectively prevent and poured In journey concrete to arch springing side flow, and be reserved with pour mouth be convenient for by concrete vibrating it is closely knit, can effectively ensure arch ring The concrete pouring quality of bottom plate.

26, used steel arch-shelf dismounting apparatus structure is simple, design is reasonable and investment construction cost is lower.

27, used arch discharging mechanism simple structure and reasonable design and it is easy to use, using effect is good, lead to It crosses multiple hoisting mechanisms to lift institute's arch striking assembly segment and steadily transfer, hoisting mechanism, which is supported directly upon, has constructed On molding arch rib, actual support and mobile simplicity, and support firm.

28, used horizontal shifting platform simple structure and reasonable design and processing and fabricating and set up conveniently, dismounting letter Just, input cost is low, and it is less to put into manpower and material resources, connects to form assembled floating body as mobile flat using multiple buoyancy tanks Platform.Also, the horizontal shifting platform is easy to use and using effect is good, using platform moving mechanism to horizontal shifting platform Position carry out easy, quickly adjustment, and effective position can be carried out to horizontal shifting platform, water in demolishing process can be effectively ensured Translation moving platform not deviation, do not shift, to provide a stable support platform；Meanwhile the position of horizontal shifting platform is adjustable And adjustment is easy, it, just can letter by control platform mobile mechanism convenient for being removed to the arch assembly segment at different location Just the position of horizontal shifting platform is adjusted, adjustment is easy, and it is easily controllable to adjust process.

29, used steel arch-shelf dismounting device using effect is good and practical value is high, and energy is easy, is rapidly completed and is removed The demolishing process of each arch assembly segment in steel arch-shelf, and demolishing process is safe and reliable, and the arch assembly segment that do not remove is logical Excessive root hanger bar fastening is suspended to the arch rib bottom of construction molding, further ensures that demolishing process safety.It is outstanding using more Arch assembly segment each in removed steel arch-shelf is fastened the arch rib bottom for being suspended to construction molding by hanging rod respectively, then using arch Frame discharging mechanism transfers arch assembly segment one by one, and the arch assembly section by horizontal shifting platform by decentralization in place Section removes below arch rib, and energy is easy, the demolishing process of each arch assembly segment in removed steel arch-shelf is rapidly completed, and tears open Except process safety, reliable, while demolishing process will not have any impact to arch rib.

Below by drawings and examples, technical scheme of the present invention will be described in further detail.

Detailed description of the invention

Fig. 1 is method flow block diagram of the invention.

Fig. 2 is the direction across bridge structural schematic diagram that arch of the present invention is segmented transfer device.

Fig. 3 is the partial enlargement diagram in Fig. 2 at A.

Fig. 4 by the present invention construction Deck Arch Bridges vertical bridge to structural schematic diagram.

Fig. 5 be arch of the present invention segmentation transfer device vertical bridge to use state with reference to figure.

Use state when Fig. 6 is pier stud top before arch assembly of the present invention segment rear end is moved to is with reference to figure.

Fig. 7 is the layout position illustration that arch of the present invention is segmented transfer device and pylon.

Fig. 8 is the vertical bridge of arch of the present invention to structural schematic diagram.

Fig. 9 is the direction across bridge structural schematic diagram of arch of the present invention.

Connection status diagram of the Figure 10 between vertical supporting frame of the present invention bottom tripod and frame body pedestal.

Figure 11 is the vertical bridge of arch springing segment of the present invention and steel arch-shelf segment to connection schematic diagram.

Figure 12 is the planar structure schematic diagram of assembling type frame body of the present invention.

Figure 13 is the vertical bridge of arch assembly device of the present invention and arch support and traverse displacement unit to structural schematic diagram.

Figure 14 is the vertical bridge of steel truss of the present invention to holding state schematic diagram.

Figure 15 be arch springing segment of the present invention, arch hinged seat, skewback beam and interim skewback structural schematic diagram.

Figure 16 is the structural schematic diagram of arch hinged seat of the present invention, lateral steel pipe and interim skewback.

Figure 17 is the structural schematic diagram of arch hinged seat of the present invention.

Figure 18 is the structural schematic diagram of the horizontally-supported seat of the present invention.

Figure 19 is the structural schematic diagram of steel pipe position-limit mechanism of the present invention.

Figure 20 is the direction across bridge structural schematic diagram of load-bearing steel arch-shelf of the present invention.

Figure 21 is the vertical bridge of arch springing segment of the present invention to structural schematic diagram.

Figure 22 is the planar structure schematic diagram of arch of the present invention support and traverse displacement unit.

Figure 23 is the schematic view of facade structure of L shape support of the present invention, elevating mechanism and Luo Liang mechanism.

Figure 24 is the structural schematic diagram of front side support when steel truss of the present invention is in holding state.

Figure 25 is the structural schematic diagram of front side support during steel truss of the present invention is traversing.

Figure 26 is the direction across bridge structural schematic diagram of press moulding mechanism of the present invention.

Figure 27 is the plane layout position illustration of each pressing mold plate unit in press moulding mechanism of the present invention.

Figure 28 is the planar structure schematic diagram of pressing mold plate unit of the present invention.

Figure 29 is the vertical bridge of arch rib of the present invention and steel arch-shelf to holding state schematic diagram.

Figure 30 is the direction across bridge holding state schematic diagram of arch rib of the present invention and steel arch-shelf.

Figure 31 is the vertical bridge of end template of the present invention and side template on steel arch-shelf to holding state schematic diagram.

Figure 32 is vertical bridge of the invention to structural schematic diagram.

Figure 33 is the planar structure schematic diagram of horizontal shifting platform of the present invention and platform moving mechanism.

Figure 34 is the partial enlargement diagram in Figure 32 at A.

Description of symbols:

100-arch support framves；1-assembling type steel arch；1-1-arch assembly segment；

1-10-arch springing segment；1-11-transverse direction steel pipe；1-12-lower connecting rod；

1-13-upper connecting rod；The middle connecting rod of 1-14-；1-2-steel arch-shelf segment；

1-21-lower boom；1-22-top boom；1-23-web member；

2-arch ribs；2-1-bottom plate；2-2-web；

2-3-diaphragm plate；2-4-top plate；2-5-chamfering；

2-6-longitudinal reinforcement；The lower horseshoe of 2-7-；3-middle part beam sections；

3-0-pressing mold plate unit；3-1-longitudinal support beam；3-10-top board；

3-2-side template；3-3-end template；3-4-chamfering forming panel；

3-5-top forming panel；3-6-crotch；

3-7-stop nut；3-8-pours mouth；

4-side beam sections；5-vertical upright columns；6-permanent supports；

7-support pier studs；The vertical pier stud of 7-1-；7-2-bent cap；

8-abutments；9-Horizontal limiting parts；10-horizontal mobile mechanisms；

10-1-vehicle frame；10-2-traveling wheel；10-3-upper support board；

11-move horizontally track；12-track supporting beams；13-branch pading plates；

14-limit ropes；The preceding anchor ingot of 15-1-；The rear anchor ingot of 15-2-；

16-vertically connect bolt；17-pylons；

17-1-vertical supporting frame；17-2-lateral connection beam；17-3-frame body pedestal；

17-31-horizontal base；17-32-hinged seat；17-4-tripod；

17-41-vertical upright column；17-42-side bracket；17-5-inside wind cable；

17-6-cable saddle；17-7-bottom distribution beam；17-8-working cable；

17-10-knotted rope；17-11-knotted rope pulley；

17-12-horizontally-guided steel plate；The oblique stiffener of 17-13-；17-14-outside wind cable；

17-15-bridging；18-lower supporting steel plates；19-screed-coats；

20-arch hinged seats；20-1-supporting steel plate；20-2-horizonal base plate；

20-3-vertical supporting plate；The vertical steel plate of 20-4-；20-5-transverse direction steel plate；

The oblique steel plate of 20-6-；20-7-arc-shaped limit press strip；20-8-limit steel plate strip；

21-preceding sport cars；22-rear sport cars；23-skewback beams；

24-adjust bolt；25-bolt mounting bases；26-lower ear plates；

27-upper ear plates；28-horizontal connection bolts；29-horizontally hinged axis；

30-L shape supports；30-1-horizontal seat；30-2-vertical support；

31-vertical grooves；32-vertical jack；33-translation slideways；

34-sand cylinders；35-traction mechanisms；36-traction ropes；

37-reaction frames；38-vertical baffles；39-front sides basis；

40-rear sides basis；41-pushing tow jack；42-pre-embedded steel slabs；

43-triangle stiffeners；44-end templates；45-side templates；

47-left side mobile mechanisms；48-right side mobile mechanisms；49-drawstrings；

50-stop nuts；51-rivers；52-hoisting mechanisms；

53-hanger bars；54-floatation type platforms；55-lifting ropes.

Specific embodiment

A kind of deck type box arch bridge arch rib construction method as shown in Figure 1, constructed Deck Arch Bridges include left and right two The arch rib 2 that width is symmetrically laid, arch rib 2 described in a width are arch rib of first constructing, and arch rib 2 described in another width is to the arch rib of first constructing The rear construction arch rib constructed after the completion of construction；The rear and front end of arch rib 2 described in every width is respectively supported at a permanent support 6 On, the permanent support 6 be armored concrete support, the arch rib 2 along vertical bridge Xiang Bushe and its be armored concrete arch ring, in detail See Fig. 4；

As shown in figure 4, being laid with a girder right above arch rib 2 described in every width；The rear and front end of each girder Be respectively supported on an abutment 8, the girder in horizontal layout and it include the middle part beam section 3 and two being supported on arch rib 2 A side beam section 4 for being located at middle part beam section 3 front and rear sides, the middle part beam section 3 be connected to two side beam sections 4 it Between and three between vertical bridge Xiang Bushe, the middle part beam section 3 and arch rib 2 by multiple along vertical bridge to laying from front to back Vertical upright column 5 is fastenedly connected；Each 4 lower section of the side beam section is multiple in vertically to cloth to being laid with from front to back along vertical bridge If support pier stud 7, the support pier stud 7 is Reinforced Concrete Pier Column, and each side beam section 4 is supported in described in one On abutment 8 and multiple support pier studs 7, an abutment 8 and multiple institutes that each 4 lower section of side beam section is supported It states support pier stud 7 and forms a side beam section support construction；Two side beam section supports below each girder Structure is respectively to be located at the front side beam section support construction on front side of arch rib 2 and the rear side beam section support construction positioned at 2 rear side of arch rib, and two A permanent support 6 is respectively to be located at the permanent support in front side below 2 front end of arch rib and the rear side below 2 rear end of arch rib Permanent support；

The abutment 8 is armored concrete abutment, and the vertical upright column 5 is reinforced concrete upright column；Each side The support pier stud 7, each side beam section branch are provided with below junction between beam section 4 and middle part beam section 3 Abutment 8 and multiple support pier studs 7 in support structure are laid on same vertical plane；

When constructing to constructed Deck Arch Bridges arch rib, comprising the following steps:

Step 1: bridge bottom bracing structure is constructed: to two below the girder each in constructed Deck Arch Bridges A permanent support 6 and two side beam section support constructions are constructed respectively, obtain the front side of construction molding Beam section support construction, the rear side beam section support construction, the permanent support in the front side and the permanent support of the rear side；

Step 2: arch rib is constructed: it is constructed using steel arch-shelf arch rib 2 described in two width of constructed Deck Arch Bridges, And using arch support and traverse displacement unit to the steel arch-shelf be supported with it is traversing；

In conjunction with Fig. 4, Figure 13, Figure 29 and Figure 30, the steel arch-shelf is the arch support frame 100 constructed to arch rib 2, The rear and front end of the arch rib 2 is respectively supported on a permanent support 6, and the permanent support 6 is armored concrete support；Institute State arch rib 2 along vertical bridge Xiang Bushe and its be armored concrete arch ring, the arch rib 2 is supported in the surface of arch support frame 100, The arch support frame 100 is along vertical bridge Xiang Bushe；

As shown in Figure 22, Figure 23, Figure 24, Figure 25, Figure 14 and Figure 15, the arch support and traverse displacement unit include along cross-bridges To the translating device translated to arch support frame 100, controls two symmetrical layings and arch support frame 100 is carried out The lifting device of lower movement and left and right two symmetrically lay and to the steel arch-shelf supports that arch support frame 100 is supported, each The steel arch-shelf support is respectively positioned on the underface of arch rib 2 described in a width；Below the rear and front end of the arch support frame 100 Be provided with one of transverse distribution beam, the transverse distribution beam in horizontal layout and its along the transverse bridge；The arch support frame 100 rear and front end bottom is mounted on one and is transversely mounted seat, described to be transversely mounted seat in horizontal layout and it is along direction across bridge Lay, transverse distribution beam described in per pass be mounted on one described in be transversely mounted a bottom；

Each steel arch-shelf support includes the interim skewback that former and later two are symmetrically laid, and two interim skewbacks are equal Along the transverse bridge and the two is respectively for the preceding support of 100 front support of arch support frame and for 100 rear end of arch support frame The rear support of support；

Each interim skewback is L shape support 30；The L shape support 30 includes a horizontal seat 30-1 and one It is laid in vertical support 30-2, the horizontal seat 30-1 and the equal edge vertical support 30-2 of the outer upper side of horizontal seat 30-1 Direction across bridge is laid and both for armored concrete support, horizontal seat 30-1 and vertical support in each interim skewback 30-2, which is poured, to be integrated；The M vertical grooves 31 being laid on same vertical plane are provided on each horizontal seat 30-1, The structure snd size of the M vertical grooves 31 are all the same and it lays from left to right along direction across bridge；Wherein, M is positive integer and M ≥3；Each vertical groove 31 is cube tray；The M vertical grooves 31 are respectively positioned in each interim skewback On the inside of vertical support 30-2；

The preceding support composition front side support of two steel arch-shelf supports, two steel arch-shelf supports it is described after Support composition rear side support；All vertical grooves 31 are laid in same level in the front side support and it is along direction across bridge Be laid on same vertical plane from left to right, in the rear side support all vertical grooves 31 be laid in same level and It is laid on same vertical plane from left to right along direction across bridge；

Each lifting device is laid on the steel arch-shelf support；Before each lifting device includes Latter two elevating mechanism symmetrically laid is laid with the elevating mechanism on each interim skewback；It is each described Elevating mechanism includes N number of vertical jack 32 being laid in from left to right on same vertical plane along direction across bridge, and N described perpendicular Structure snd size to jack 32 are all the same and it is laid in same level, and the vertical jack 32 is in vertical To the hydraulic jack of laying；Wherein, N is positive integer and 2≤N≤M；Each vertical jack 32 is laid in an institute It states in vertical groove 31；

All vertical jack 32 on the front side support be laid in same level and its along direction across bridge by a left side It is laid on same vertical plane to the right side, all vertical composition of jack 32 front sides jacking apparatus on the front side support；It is described All vertical jack 32 on rear side support are laid in same level and it is laid in together from left to right along direction across bridge All vertical composition of jack 32 rear side jacking apparatus on one vertical plane, on the rear side support；The front side jacking apparatus Positioned at together the transverse distribution beam underface, the rear side jacking apparatus be located at transverse distribution beam described in another road just under Side；All vertical jack 32 on each steel arch-shelf support form one and synchronize jacking to arch support frame 100 Steel arch-shelf jacking apparatus；

The translating device includes being transversely mounted the translation slideway that seat is translated described in former and later two symmetrical layings and confession 33 cross sliding driving devices translated with former and later two synchronous drive arch support framves 100 along direction across bridge, two described traversing Driving device is symmetrically arranged, the translation slideway 33 in horizontal layout and its along the transverse bridge；Each traversing driving Device includes a pushing tow jack 41 along direction across bridge to the horizontal pushing tow of the transverse distribution beam carry out, the pushing tow thousand Jin top 41 in horizontal layout and its along the transverse bridge；Each pushing tow jack 41 with the transverse distribution beam cloth together On same vertical plane, 41 support top of pushing tow jack is on the transverse distribution beam being located on same vertical plane；

Two translation slideways 33 be respectively the front side slideway that is installed on the front side support and be installed on it is described after Rear side slideway on collateral seat；It is mounted on the inner sidewall of each vertical support 30-2 described in a confession and is transversely mounted seat The horizontal slide translated, the horizontal slide is along the transverse bridge and it is located at described be transversely mounted below seat；Before described The horizontal slide installed on two vertical support 30-2 in collateral seat is laid on same level straight line and the two group At the front side slideway, the horizontal slide installed on two vertical support 30-2 in the rear side support is laid in together On one horizontal linear and the two forms the rear side slideway；

When being constructed using steel arch-shelf arch rib 2 described in two width of constructed Deck Arch Bridges, process is as follows:

Step 201, steel arch-shelf support construction: to the arch support with traverse displacement unit in two steel arch-shelf supports into Row construction, obtains the front side support and the rear side support of construction molding；

Step 202, translation slideway and lifting device are installed: being completed to the front side support and rear side support construction Afterwards, a translation slideway 33 is installed respectively on the front side support of construction molding and the rear side support；Meanwhile it constructing The lifting device is installed respectively on molding two steel arch-shelf supports；

Step 203, steel arch-shelf are assembled: carrying out assembly to arch support frame 100, and make assembled molding arch support frame 100 are located at the underface of the arch rib of first constructing, while assembled molding arch support frame 100 being made to be supported in the first construction arch On a lifting device immediately below rib, and 100 rear and front end of arch support frame is made to be respectively supported at the lifting In mechanism；

Step 204, the jacking of arch support frame: will be encircleed using the lifting device for being supported in 100 lower section of arch support frame Shape support frame 100 jacks straight up, until by the construction location of the jacking of arch support frame 100 to the arch rib of first constructing；

Step 205, the first construction of construction arch rib: in step 204 on the arch support frame 100 branch stand it is described for constructing The first forming panel of construction arch rib, and constructed using the forming panel to the first construction arch rib；

Step 206, the decentralization of arch support frame: after the completion of arch rib of first constructing described in step 205 construction, encircleed using being supported in The lifting device or vertically movable device of 100 lower section of shape support frame, carry out arch support frame described in step 204 100 Vertical decentralization, until the rear and front end of the arch support frame 100 is respectively supported on the translation slideway 33；

Step 207, cross sliding driving device installation: former and later two described cross sliding driving devices are installed respectively, are obtained The translating device being installed, and make in the translating device each pushing tow jack 41 with arch support frame The transverse distribution beam together in 100 is laid on same vertical plane, and 41 support top of pushing tow jack is being located at same erect On the transverse distribution beam faced directly；

Step 208, arch support frame are traversing: using former and later two described cross sliding driving devices in step 208 along direction across bridge Synchronous drive arch support frame 100 is translated to construction arch rib side after described, until by arch support frame 100 be moved to it is described after The underface of construction arch rib, while arch support frame 100 being made to be supported in a lifting immediately below the rear construction arch rib On device, and it is respectively supported at 100 rear and front end of arch support frame on one elevating mechanism；

Step 209, the jacking of arch support frame: will be encircleed using the lifting device for being supported in 100 lower section of arch support frame Shape support frame 100 jacks straight up, until by the construction location of the jacking of arch support frame 100 to the rear construction arch rib；

Step 210, rear construction arch rib construction: in step 209 on the arch support frame 100 branch stand it is described for constructing It constructs the forming panel of arch rib, and is constructed using the forming panel to construction arch rib after described afterwards, on completion is constructed Hold the work progress of arch rib 2 described in two width of formula arch bridge；

Step 211, arch support frame are removed: being removed to arch support frame described in step 210 100.

In the present embodiment, each side beam section 4 be supported in the side beam section support construction group below At an access bridge of constructed Deck Arch Bridges, the middle part beam section 3, arch rib 2 and be connected to middle part beam section 3 and arch rib 2 between Multiple vertical upright columns 5 form the main bridges of constructed Deck Arch Bridges, constructed Deck Arch Bridges are by host bridge with before Latter two access bridge connecting with host bridge is formed by connecting.

After the completion of the main bridge of constructed Deck Arch Bridges and two access bridges are constructed, each middle part beam section 3 is It is connect with side beam section 4 located at the front and rear sides thereof and forms a girder.In the present embodiment, each middle part beam section 3 It is attached by cross-bridges expansion joint between side beam section 4 located at the front and rear sides thereof.

When carrying out the decentralization of arch support frame in the present embodiment, in step 206, in arch rib of first constructing described in step 205 After institute's casting concrete intensity reaches 90% of design strength or more, then arch support frame described in step 204 100 is carried out Vertical decentralization, so thus damage of the traversing process of steel arch-shelf to the first construction arch rib minimize.

Correspondingly, it when carrying out the dismounting of arch support frame in step 211, is poured in arch rib of constructing after described in step 210 It builds after concrete strength reaches 90% of design strength or more, then arch support frame 100 is removed.

When carrying out the dismounting of arch support frame in the present embodiment, in step 211, device is removed to arch support using steel arch-shelf Frame 100 is removed；

Arch rib 2 described in two width is the box beam of crossing river channel 51；

As shown in Figure 32, Figure 33, it includes that the arch of removed arch support frame 100 is driven to spell that the steel arch-shelf, which removes device, Dress segment 1-1 is horizontally moved and moving horizontally of being removed after described below construction arch rib of arch assembly segment 1-1 is flat Platform drives the horizontal shifting platform to carry out mobile platform moving mechanism and vertically transferred to arch assembly segment 1-1 And arch assembly segment 1-1 is transferred to the arch discharging mechanism on the horizontal shifting platform；Each arch assembly section Section 1-1 by the fastening of more hanger bars 53 is suspended to it is described after below construction arch rib, the every hanger bar 53 with its institute At installation position it is described after construction arch rib the perpendicular laying of bottom plate, it is described after construction arch rib bottom plate on be reserved with it is multiple for outstanding The mounting hole that hanging rod 53 is installed；

The arch discharging mechanism includes the hoisting mechanism 52 that multiple couples of transferred arch assembly segment 1-1 are lifted, Multiple hoisting mechanisms 52 are respectively positioned on the rear construction arch rib, each hoisting mechanism 52 and transferred arch assembly section It is attached by lifting rope 55 between section 1-1；

The horizontal shifting platform is the floatation type platform 54 floated on river 51, and the floatation type platform 54 is located at arch 100 lower section of shape support frame；The platform moving mechanism include be located at the left side of arch support frame 100 and drive floatation type platform 54 to The left side mobile mechanism 47 that moves left and positioned at right side arch support frame 100 right side and floatation type platform 54 is driven to move right Side mobile mechanism 48, the left side mobile mechanism 47 and right side mobile mechanism 48 are electrical hoist；The left side moving machine Pass through drawstring between 54 left side of structure 47 and floatation type platform and between 54 right side of right side mobile mechanism 48 and floatation type platform 49 are attached.

In the present embodiment, the floatation type platform 54 is rectangular platform and it is assembled by multiple buoyancy tanks.

The buoyancy tank is cube cabinet, and multiple buoyancy tanks are laid on the same water surface, and actual processing is easy, and And it is able to satisfy the support demand of transferred arch assembly segment 1-1.

As shown in figure 33, the quantity of the left side mobile mechanism 47 and right side mobile mechanism 48 is two, described in two Left side mobile mechanism 47 is laid in the front and rear sides of arch support frame 100 respectively, and cloth is distinguished by two right side mobile mechanisms 48 Set on the front and rear sides of arch support frame 100, and each left side mobile mechanism 47 and each right side mobile mechanism It is attached by drawstring 49 between 48 and floatation type platform 54.

In the present embodiment, two left side mobile mechanisms 47 and two right sides are mobile in the platform moving mechanism Mechanism 48 is platform mobile device, and the platform mobile device is the electrical hoist.

Two left side mobile mechanisms 47 be respectively be laid in 100 front of arch support frame front left side mobile mechanism and It is laid in the left rear side mobile mechanism at 100 rear of arch support frame, two right side mobile mechanisms 48 are respectively to be laid in arch The forward right side mobile mechanism in 100 front of shape support frame and the right lateral side mobile mechanism for being laid in 100 rear of arch support frame, it is described Front left side mobile mechanism and the forward right side mobile mechanism are respectively positioned on the side riverbank in river 51, the left rear side mobile mechanism It is respectively positioned on the other side riverbank in river 51 with the right lateral side mobile mechanism.

It in actual use, just can be flat to floatation type by four platform mobile devices in the platform moving mechanism The position of platform 54 is adjusted, and arch assembly segment 1-1 is constructed after described arch rib by floatation type platform 54 to realize The purpose that lower section removes.Also, it can be flat to floatation type by four platform mobile devices in the platform moving mechanism The position of platform 54 is fixed, thus the platform moving mechanism can also be used as the positioning device of floatation type platform 54, uses Operation is very easy, and can be easy, quickly mobile in place by floatation type platform 54, and can be to mobile floatation type platform in place 54 effectively fix.

In the present embodiment, the drawstring 49 of four platform mobile devices is separately fixed at drift in the platform moving mechanism On four apex angles of floating platform 54.

To be fixed easy and firm, in the present embodiment, the hanger bar 53 is fining twisted steel.

In the present embodiment, as shown in figure 34, with screw thread side between the fining twisted steel bottom and arch assembly segment 1-1 Formula is attached, and the fining twisted steel bottom is provided with the stop nut 50 limited to arch assembly segment 1-1, described 50 coaxial package of stop nut is on the fining twisted steel.

Convenient for fixed easy, firm and dismounting, the fining twisted steel top is fixed on embedded nut, described pre-buried Nut coaxial package on the fining twisted steel, embedded nut installation in the mounting hole and itself and it is described after construction The bottom slab concreting of arch rib is integrated.

In the present embodiment, the hoisting mechanism 52 is electrical hoist, and the lifting rope 55 is wirerope.

Also, multiple holes for hoist passed through for lifting rope 55 are reserved on construction arch rib after described.

In the present embodiment, the arch discharging mechanism includes former and later two described hoisting mechanisms 52, two hoisting machines Structure 52 is laid on same vertical plane with arch support frame 100, and two hoisting mechanisms 52 are located at transferred arch Above the front and rear sides of assembled segment 1-1.

In actual use, according to specific needs, to the quantity of hoisting mechanism 52 described in the arch discharging mechanism with And the installation position of each hoisting mechanism 52 adjusts accordingly respectively.

In the present embodiment, all holes for hoist constructed on arch rib after described are respectively positioned on same vertical plane.

When practice of construction, when being constructed using arch support frame 100 to the rear construction arch rib in step 210, in institute Multiple mounting holes are reserved in the bottom plate of construction arch rib after stating, and are respectively mounted the embedded nut in each mounting hole, simultaneously Multiple holes for hoist are reserved on the rear construction arch rib.Encircleed after the completion of arch rib construction of constructing after described and in step 211 Before shape support frame is removed, each arch assembly segment 1-1 fastened by the more hanger bars 53 be suspended to it is described after apply The purpose being fixed temporarily by the rear construction arch rib to each arch assembly segment 1-1 is realized in work arch rib bottom.To arch Each arch assembly segment 1-1 is suspended to the rear arch rib bottom of constructing by the more fastenings of hanger bar 53 in support frame 100 Behind portion, device is removed using the steel arch-shelf, the arch assembly segment 1-1 in arch support frame 100 is removed one by one.

Using the steel arch-shelf remove device any of arch support frame 100 arch assembly segment 1-1 into When row is removed, two hoisting mechanisms 52 in the arch discharging mechanism are first respectively moved to institute's arch striking assembly section Above the front and rear sides of section 1-1, and make two hoisting mechanisms 52 be supported in construction molding it is described after construct arch rib On, then by the equal binding and fixing in 55 lower part of lifting rope of two hoisting mechanisms 52 on arch assembly segment 1-1, and make lifting rope 55 It is arranged vertically, completes the arch discharging mechanism to the hoisting process of institute arch striking assembly segment 1-1；Later, it removes All hanger bars 53 between institute arch striking assembly segment 1-1 and the rear construction arch rib, make institute's arch striking assembly segment 1-1 is disconnected with the rear construction arch rib；Then, using the arch discharging mechanism by institute arch striking assembly segment 1-1 Decentralization transfers institute arch striking assembly segment 1-1 on floatation type platform 54, and using the arch discharging mechanism Before, the underface that floatation type platform 54 is moved to institute arch striking assembly segment 1-1 by the platform moving mechanism is first passed through； After transfer institute arch striking assembly segment 1-1 to after being located on floatation type platform 54, by the lifting rope of the arch discharging mechanism 55 disconnect with institute's arch striking assembly segment 1-1, complete the decentralization process of institute's arch striking assembly segment 1-1；Then, using institute Platform moving mechanism is stated by the shifting below the rear construction arch rib synchronous with institute arch striking assembly segment 1-1 of floatation type platform 54 Out, the demolishing process of institute's arch striking assembly segment 1-1 is just completed in this way, thus energy is easy, the spelling of institute's arch striking is rapidly completed The demolishing process of segment 1-1 is filled, and demolishing process is safe and reliable.

It is when practice of construction, the platform moving mechanism is same by floatation type platform 54 and institute arch striking assembly segment 1-1 It, both can be using the cable crane lifted to arch support frame 100 by institute after step is removed below construction arch rib after described Arch striking assembly segment 1-1 is lifted to storage position, can also be directly assembled by institute's arch striking by floatation type platform 54 Segment 1-1 is moved on the side riverbank in river 51, using flexible operation, and it is easy to operate.

In the present embodiment, the arch support frame 100 be an assembling type steel arch 1 or by it is multiple along direction across bridge by it is left extremely The assembling type steel arch 1 of right laying is assembled, and each assembling type steel arch 1 is an arched frame, each spelling Dress formula steel arch-shelf 1 along vertical bridge Xiang Bushe and its spelled along vertical bridge to the arch assembly segment 1-1 that lays from front to back from multiple It connects；

When carrying out steel arch-shelf assembly in step 203, carried out using arch assembly device assembled；

As shown in Fig. 2, Fig. 3 and Figure 13, the arch assembly device includes the arch assembly segment to assembling type steel arch 1 The cable crane that 1-1 is lifted and the arch segmentation transfer device that arch assembly segment 1-1 is moved one by one；

The arch segmentation transfer device includes that the assembled segment being horizontally moved one by one to arch assembly segment 1-1 is moved It moves device and moves horizontally channel for what the assembled segment mobile device moved horizontally, the channel that moves horizontally is in horizontal cloth And if it is along vertical bridge Xiang Bushe；

The channel that moves horizontally is laid in the rear side beam section support construction in the arch rib dead astern of first constructing, institute The rear side beam section support construction for stating arch rib dead astern of first constructing is movable passageway support construction；It is described to move horizontally channel packet The longitudinal support beam 3-1 being supported in the movable passageway support construction is included, the assembly segment mobile device is one In longitudinal support beam 3-1 can be moved forward and backward and drive moved arch assembly segment 1-1 to synchronize shifting in moving process Dynamic horizontally moving device, the longitudinal support beam 3-1 is in horizontal layout and it is along vertical bridge Xiang Bushe；The horizontally moving device It is laid on longitudinal support beam 3-1, moved arch assembly segment 1-1 is supported horizontally on the horizontally moving device；It is described The rear end of longitudinal support beam 3-1 is the abutment support end being supported in the movable passageway support construction on abutment 8, the longitudinal direction The front end of supporting beam 3-1 is lifting end；It is provided on the lifting end of the longitudinal support beam 3-1 to the horizontally moving device The Horizontal limiting part 9 limited；

The working cable 17-8 and energy that the cable crane includes former and later two pylons 17, is installed on two pylons 17 Be moved forward and backward and to the trolley that arch assembly segment 1-1 is lifted, the trolley peace along working cable 17-8 On working cable 17-8 and it is located between two pylons 17, and the trolley is located on the first construction arch rib Side；Two pylons 17 are respectively positioned on same vertical plane with first construction arch rib and the longitudinal support beam 3-1, two towers Frame 17 is respectively to be located at the preceding pylon on front side of the arch rib of first constructing and the tail tower on rear side of the arch rib of first constructing；

It is preceding pier stud, the longitudinal support beam 3-1 that support pier stud 7 is located on the foremost side in the rear side beam section support construction Lifting end be located on front side of the tail tower, the lifting end of the longitudinal support beam 3-1 is supported on the preceding pier stud, described vertical It is the horizontal shore passed through in the middle part of the tail tower to supporting beam 3-1；The tail tower and the preceding pier stud are supported in On the permanent support of rear side, the preceding pier stud is located on front side of the tail tower；

Rear side beam section support before carrying out steel arch-shelf assembly in step 203, in the arch rib dead astern of first constructing Channel is moved horizontally in structure described in construction, and moves horizontally the channel installation assembled segment mobile device described, is obtained The arch that construction is completed is segmented transfer device；Meanwhile it constructing to the cable crane, and will be in the cable crane The tail tower be supported in it is described first construct arch rib on rear side of the permanent support of the rear side on；

When carrying out assembly to arch support frame 100 in step 203, by elder generation to rear all spellings in arch support frame 100 Dress formula steel arch-shelf 1 carries out assembly respectively, and the assembling method of all assembling type steel arches 1 is all the same in arch support frame 100；

When carrying out assembly to arch support frame 100, comprising the following steps:

Step A1, side joggle truss is assembled: to two institutes of one in the arch support frame 100 assembling type steel arch 1 It states side joggle truss and carries out symmetrical assembly；

When carrying out assembled any one described side joggle truss, from the bottom to top to the multiple institutes for forming the side joggle truss It states arch assembly segment 1-1 and carries out assembly, process is as follows:

Step A11, first arch assembly section assembling: will be current assembled using arch segmentation transfer device Arch assembly segment 1-1 is translate forward to the front end for moving horizontally channel, then using the described of the cable crane Trolley lifts arch assembly segment 1-1 and transfers the spelling for completing current institute's assembly arch assembly segment 1-1 in place Dress process；

In this step, current assembled arch assembly segment 1-1 is to be located at the one of bottommost in the side joggle truss A arch assembly segment 1-1；

Step A12, upper arch assembly section assembling: using arch segmentation transfer device that a upper institute is assembled Arch assembly segment 1-1 translate forward to described above the front end for moving horizontally channel, then use the institute of the cable crane It states trolley to lift arch assembly segment 1-1 and transfer in place, while the arch assembly segment 1-1 by decentralization in place Be disposed below and the assembled arch assembly segment 1-1 completed connect, complete current assembly arch assembly segment 1-1's Assembled process；

Step A13, one or many to repeat step A12, complete all arch assembly segment 1- in the side joggle truss 1 assembled process obtains the assembled side joggle truss completed；

Step A2, vault splices section assembling: the side joggle truss of two of formula steel arch-shelf 1 to be assembled is assembled to be completed Afterwards, vault splicing segment 1-01 is translate forward to the front end for moving horizontally channel using arch segmentation transfer device Top, then vault splicing segment 1-01 is lifted using the trolley of the cable crane and is transferred in place, together When the vault splicing segment 1-01 of decentralization in place is connect with two side joggle trusses of assembled completion, complete an institute The process of closing up of assembling type steel arch 1 is stated, an assembled molding assembling type steel arch 1 is obtained；

Step A3, judgement is completed in the assembly of arch support frame: being judged whether arch support frame 100 is assembled and is completed, when arch branch When 100 assembly of support is completed, the assembled process of arch support frame 100 is completed, enters step 204；Otherwise, A4 is entered step；

Step A4, next assembling type steel arch is assembled: according to method described in step A1 to step A2, to arch branch Next assembling type steel arch 1 in support 100 carries out assembly, and will be each in current assembled assembling type steel arch 1 Arch assembly segment 1-1 is connect with the assembling type steel arch 1 that assembly is completed at this time；

Step A5, judgement is completed in the assembly of arch support frame: being judged whether arch support frame 100 is assembled and is completed, when arch branch When 100 assembly of support is completed, the assembled process of arch support frame 100 is completed, enters step 204；Otherwise, return step A4；

Wherein, the permanent support 6 is the skewback being supported to arch rib 2.

In the present embodiment, two abutments 8 below the arch rib of first constructing are respectively to be supported in the girder front end The preceding abutment of lower section and the rear abutment being supported in below the main beam rear end, anchor ingot before being provided with immediately ahead of the preceding abutment The dead astern of 15-1, the rear abutment are provided with rear anchor ingot 15-2；

Arch temporary securing mechanism is provided on each pylon 17, the arch temporary securing mechanism includes left and right Two groups are symmetrically arranged and to the knotted rope 17-10 that the arch assembly segment 1-1 lifted in place is fixed temporarily, described in every group Knotted rope 17-10 is laid on same vertical plane with a vertical supporting frame 17-1；Knotted rope 17-10 described in every group includes Multiple tracks is from top to bottom laid in the knotted rope 17-10 on same vertical plane, and knotted rope 17-10 described in multiple tracks is along vertical bridge Xiang Bushe；

It is from top to bottom laid on each vertical supporting frame 17-1 in the cable crane multiple for knotted rope 17-10 All knotted rope pulley 17-11 laid on knotted rope the pulley 17-11, each vertical supporting frame 17-1 of installation are respectively positioned on together On one vertical plane, knotted rope 17-10 described in per pass is installed on the knotted rope pulley 17-11；

The front end of knotted rope 17-10 described in per pass is each attached to the arch assembly section lifted in place in the tail tower On section 1-1, the rear end of knotted rope 17-10 described in per pass is each attached on rear anchor ingot 15-2 in the tail tower；

The rear end of knotted rope 17-10 described in per pass is each attached to an arch assembly segment 1-1 in the preceding pylon On, before the front end of knotted rope 17-10 described in per pass is each attached in the preceding pylon on anchor ingot 15-1.

In the present embodiment, the rear anchor ingot 15-2 and preceding anchor ingot 15-1 is reinforced concrete anchors ingot.

As shown in Fig. 8, Fig. 9 and Figure 10, each pylon 17 includes assembling type frame body, and the assembling type frame body includes The two vertical supporting frame 17-1 symmetrically laid in left and right；Two vertical supporting frame 17-1 are supported in the tail tower On the permanent support of rear side, in the tail tower two vertical supporting frame 17-1 be symmetrically laid in it is described move horizontally it is logical The left and right sides in road, the clear distance of two vertical supporting frame 17-1 is greater than the width for moving horizontally channel in the tail tower Degree.

In the present embodiment, two vertical supporting frame 17-1 are supported in the permanent support in the front side in the preceding pylon On.

In the present embodiment, the both ends of knotted rope 17-10 described in per pass are located at the front and rear sides of the assembling type frame body；

The both ends height of knotted rope 17-10 described in per pass is below the installation of the installed knotted rope pulley 17-11 of knotted rope 17-10 Highly.Thus, knotted rope 17-10 described in per pass is in inverted v-shaped, can be to assembling type steel arch 1 by knotted rope 17-10 described in two groups In the arch assembly segment 1-1 that has lifted in place be fastened and fixed, and be dismounted easily, it is fixed reliable.

In the present embodiment, each pylon 17 further includes the tower mount 17- for assembling type frame body bottom installation 3, the tower mount 17-3 in horizontal layout and its along the transverse bridge, the assembling type frame body is being located at tower mount 17-3 just Top.

In conjunction with Fig. 4, Figure 13, the rear and front end of the arch rib 2 is respectively supported on a permanent support 6, the permanent branch Seat 6 is armored concrete support；The frame body pedestal 17-3 is supported horizontally on the permanent support 6, the frame body bottom The permanent support 6 that seat 17-3 is supported is tower foundation.In the present embodiment, the permanent support in front side and the rear side are permanently propped up Seat is tower foundation.

When actual installation, two bottoms vertical supporting frame 17-1 are supported in frame body pedestal in the assembling type frame body On 17-3, it is attached in hinged way between each bottom vertical supporting frame 17-1 and frame body pedestal 17-3.

As shown in figure 9, the assembly type beam body further includes multiple lateral connection beam 17-2 from top to bottom laid, two institutes Vertical supporting frame 17-1 is stated to be connected as one by multiple lateral connection beam 17-2.

In the present embodiment, two vertical supporting frame 17-1 are connected as by the upper and lower two lateral connection beam 17-2 One.

Two lateral connection beam 17-2 are respectively one and are connected between two tops vertical supporting frame 17-1 Upper attachment beam and a middle part attachment beam being connected between in the middle part of two vertical supporting frame 17-1.In the present embodiment, Bridging 17-15 is additionally provided between two vertical supporting frame 17-1, the bridging 17-15 is located at the upper attachment beam Bottom.

It as shown in figure 12, is the bearing capacity for improving vertical supporting frame 17-1, the vertical supporting frame 17-1 is flat by more The assembled support column of straight rod member, the support column are cube scapus.Also, the lateral connection beam 17-2 is by more The assembled horizontal connection beam of straight rod piece.In the present embodiment, the lateral connection beam 17-2 is cube beam.

As shown in figs, each bottom vertical supporting frame 17-1, which is provided with, is installed on tower mount 17-3 On tripod 17-4, carried out in hinged way between the bottom the tripod 17-4 and the tower mount 17-3 being disposed below Connection；One of bottom distribution beam 17-7, the bottom distribution beam 17-7 are provided with immediately below each tower mount 17-3 In horizontal layout and its along the transverse bridge；Bottom distribution beam 17-7 positioned at the tail tower bottom is fixed on the rear side On permanent support, the bottom distribution beam 17-7 positioned at the preceding tower bottom is fixed on the permanent support in the front side.

In the present embodiment, the tripod 17-4 is arranged vertically and its vertical bridge is from top to bottom gradually reduced to width. It is bonded by tripod 17-4 energy simplicity, quickly by the vertical supporting bottom frame 17-1 and frame body pedestal 17-3, and The bottom tripod 17-4 connect simplicity with frame body pedestal 17-3, while can simplify the structure of frame body pedestal 17-3.

In actual use, the tripod 17-4 is the triangle support frame assembled by more straight rod pieces.

For stabilized structure and connection simplicity, each tripod 17-4 include one and are fixed on vertical supporting frame 17-1 Vertical supports below middle part and former and later two be symmetrically laid in the side bracket 17-42 of the vertical supports two sides, it is described perpendicular It is made of to bracket multiple vertical upright column 17-41 being laid on same vertical plane from left to right.It is described vertical in the present embodiment Bracket is made of the two vertical upright column 17-41 for being symmetrically laid in the same bottom vertical supporting frame 17-1 in left and right.Described in two Side bracket 17-42 is plane girder, and the top of the plane girder is fixed on the vertical supporting bottom frame 17-1 and its bottom It is fixed in the vertical supports.

In the present embodiment, it is attached in hinged way between each vertical upright column 17-41 and frame body pedestal 17-3. When being actually attached, it need to will only carry out hingedly, just complete perpendicular between each vertical upright column 17-41 and frame body pedestal 17-3 Connection between the bottom support frame 17-1 and frame body pedestal 17-3, thus easy, simplicity is connected, and can effectively simplify vertical The structure of support frame 17-1 and frame body pedestal 17-3.

As shown in Figure 9 and Figure 10, one of bottom distribution beam 17-7 is provided with immediately below the frame body pedestal 17-3, it is described Bottom distribution beam 17-7 in horizontal layout and its along the transverse bridge；The bottom distribution beam 17-7 is fixed on the tower foundation On.

Easy, reliable to ensure to connect, the bottom distribution beam 17-7 is fixed on the tower foundation by multiple anchor bolts On, the anchor bolt is arranged vertically.Wherein, the bottom distribution beam 17-7 positioned at the tail tower bottom is solid by multiple anchor bolts It is scheduled on the permanent support of the rear side, the bottom distribution beam 17-7 positioned at the preceding tower bottom is fixed on institute by multiple anchor bolts It states on the permanent support in front side.

In the present embodiment, the bottom distribution beam 17-7 is laid in the splicing of the I-steel in same level by multiple tracks side by side It forms.I-steel described in per pass be in horizontal layout and its along the transverse bridge.

For the stability and load bearing effect for further increasing bottom distribution beam 17-7, the front and back of the bottom distribution beam 17-7 Two sides are symmetrically laid in oblique stiffener 17-13.

In the present embodiment, the frame body pedestal 17-3 includes horizontal base 17-31 and is mounted on horizontal base 17-31 Hinged seat 17-32, the horizontal base 17-31 is supported horizontally on the distribution beam 17-7 of bottom, the bottom the tripod 17-4 Be attached in hinged way between the hinged seat 17-32 that is disposed below, each institute in the specifically described tripod 17-4 It states the bottom vertical upright column 17-41 and is attached in hinged way between the hinged seat 17-32 that is disposed below.

Thus, the features simple structure of the frame body pedestal 17-3 and support is firm, and frame body pedestal 17-3 and tripod It is connected between 17-4 easy.

As shown in Figure 9 and Figure 10, in the present embodiment, the horizontal base 17-31 is the I-steel for being together in horizontal layout, The web of the horizontal base 17-31 is in horizontal layout, and the hinged seat 17-32 is fixed on the web of horizontal base 17-31 On.Using I-steel as horizontal base 17-31, it on the one hand can effectively simplify the structure of horizontal base 17-31, on the other hand It can ensure that the stationarity and support strength of horizontal base 17-31.

In the present embodiment, the horizontal base 17-31 is that can be horizontally moved along direction across bridge in bottom distribution beam 17-7 Slip base, be provided with the guide part being oriented to horizontal base 17-31, the guide part on the bottom distribution beam 17-7 In horizontal layout and its along the transverse bridge.Thus, during actual use, can it is easy, quickly to the present invention in the pylon On the basis of installation position be adjusted, and adjust process safety, reliable.

In the present embodiment, the guide part is the horizontally-guided steel plate 17-12 for being horizontally fixed on bottom distribution beam 17-7, institute Stating horizontally-guided steel plate 17-12 is rectangle steel plate.

Also, the horizontally-guided steel plate 17-12 is weldingly fixed on the distribution beam 17-7 of bottom, thus practical fixed company It connects, is firm.

In the present embodiment, the horizontal base 17-31 includes that a web in horizontal layout is right with former and later two Claim the wing plate for being laid in the web two sides, two wing plates are arranged vertically.The horizontally-guided steel plate 17-12 It is installed between two wing plates of horizontal base 17-31, actual installation is easy, and guide effect is good.

As shown in Figure 8 and Figure 9, the cable saddle for working cable 17-8 installation is provided on each vertical supporting frame 17-1 17-6, and the working cable pulley for working cable 17-8 installation is provided on cable saddle 17-6.Reliable, the assembly type frame to connect It is fastenedly connected between two cable saddle 17-6 by top attachment beam in body.

It is described to further increase the bonding strength in the assembling type frame body between two vertical supporting frame 17-1 Assembling type frame body further includes that twice are respectively positioned in the inside wind cable 17-5 laid, internal wind cable 17-5 described in twice is intersected Below the middle part attachment beam and the two is respectively positioned between two vertical supporting frame 17-1, internal wind cable described in per pass The top of 17-5 is each attached on the inner sidewall of vertical supporting frame 17-1, and the bottom of internal wind cable 17-5 described in per pass is solid It is scheduled on horizontal base 17-31, thus can further ensure that and be consolidated between the assembling type frame body and frame body pedestal 17-3 Connection, it is ensured that the connection reliability between the assembling type frame body and frame body pedestal 17-3.

As shown in figure 4, constructed Deck Arch Bridges include arch rib 2 and the girder right above arch rib 2, the arch rib 2 With the girder along vertical bridge Xiang Bushe, the rear and front end of the girder is respectively supported on an abutment 8, and the girder is in water Plain cloth is set and it includes the side that the middle part beam section 3 being supported on arch rib 2 and two are located at middle part 3 front and rear sides of beam section Beam section 4, the middle part beam section 3 is connected between two side beam sections 4 and three is along vertical bridge Xiang Bushe, the middle part beam It is fastenedly connected along vertical bridge to the vertical upright column 5 laid from front to back between section 3 and arch rib 2 by multiple；Each side beam 4 lower section of section is steel to multiple support pier studs 7 being arranged vertically, the support pier stud 7 is laid with from front to back along vertical bridge Reinforced concrete pier stud, each side beam section 4 are supported on the abutment 8 and multiple support pier studs 7, each The abutment 8 and multiple support pier studs 7 that 4 lower section of side beam section is supported form a side beam section branch Support structure.

When practice of construction, first construct to two permanent supports 6, and in a structure of an essay for two permanent supports 6 If assembling type steel arch 1, and the arch assembly segment 1-1 of assembling type steel arch 1 is lifted using cable crane, it is described Pylon 17 is the loop wheel machine pylon of the cable crane.

After the completion of the construction of permanent support 6, just pylon 17 can be installed on permanent support 6.Pylon 17 is carried out When installation, the bottom distribution beam 17-7 of the bottom frame body pedestal 17-3 need to be only fixed on permanent support 6, then by the assembly type Frame body and frame body pedestal 17-3 are carried out hingedly, and actual installation is very easy, and can be easy to be right by frame body pedestal 17-3 Installation position of the pylon 17 on permanent support 6 is adjusted.Meanwhile using the cable crane to assembling type steel arch 1 Arch assembly segment 1-1 is carried out in hoisting process, can be to having lifted in assembling type steel arch 1 by knotted rope 17-10 described in two groups Arch assembly segment 1-1 in place is fastened and fixed, and is dismounted easily, fixed reliable.In addition, the pylon 17 is with permanent Support 6 is used as tower foundation, and support is firm, reliable, and without in addition construction tower foundation, saving of work and time, while occupying and applying Work space is small.

It is logical between each top vertical supporting frame 17-1 and anchor ingot 15 for the stability for further increasing pylon 17 Outside wind cable 17-14 together is crossed to be fixed, the outside wind cable 17-14 and inside wind cable 17-5 are fixed rope, The fixation rope pulley for outside wind cable 17-14 installation is provided on the cable saddle 17-6.

In the present embodiment, the support pier stud 7 that most rear side is located in the front side beam section support construction is rear pier stud, after described Pier stud and the preceding pylon are supported on the permanent support in the front side；Pier stud is located on rear side of the preceding pylon after described.

Pier stud is poured with the permanent support in the front side after described is integrated, and the preceding pier stud is poured with the permanent support of the rear side It builds and is integrated.

Two side beam sections 4 are respectively to be located at the front side beam section of 3 front side of middle part beam section and be located on rear side of middle part beam section 3 Rear side beam section, the preceding pier stud be supported in middle part beam section 3 and the rear side beam section between junction below, it is described after pier stud It is supported in below the junction between middle part beam section 3 and the front side beam section.

As shown in figure 5, the movable passageway support construction is positioned at the side of 3 rear side of middle part beam section in the present embodiment Portion's beam section support construction, i.e., the described rear side beam section support construction.In actual use, the movable passageway support construction may be The side beam section support construction positioned at 3 front side of middle part beam section.

In the present embodiment, the Horizontal limiting part 9 is the limited block in horizontal layout.

While to ensure that Horizontal limiting part 9 limits the horizontally moving device, moved arch will not be spelled The process that moves horizontally of dress segment 1-1 has any impact, and the Horizontal limiting part 9 is located at moved arch assembly segment 1-1 Lower section.

In the present embodiment, the limited block is the cube block being fixed on above longitudinal support beam 3-1 lifting end.

As shown in Fig. 2, to ensure steadily to be moved to being moved arch assembly segment 1-1, and ensure in moving process Moved arch assembly segment 1-1 is steadily placed on the horizontally moving device, and the horizontally moving device includes left and right two The horizontal mobile mechanism 10 symmetrically laid of group, horizontal mobile mechanism 10 described in every group include it is multiple along vertical bridge to cloth from front to back If the horizontal mobile mechanism 10；10 symmetric support of horizontal mobile mechanism is in moved arch assembly segment 1-1 described in two groups The left and right sides below.

When actually being moved, moved arch assembly segment 1-1 be steadily placed in two groups described in horizontal mobile mechanism 10 On.

In the present embodiment, horizontal mobile mechanism 10 described in every group include former and later two described horizontal mobile mechanisms 10, two A horizontal mobile mechanism 10 is respectively supported at below the front and rear sides of moved arch assembly segment 1-1.In actual use, According to specific needs, the quantity of included horizontal mobile mechanism 10 and each water in the horizontal mobile mechanism 10 described in every group The installation position of flat mobile mechanism 10 adjusts accordingly respectively.

As shown in Figures 2 and 3, steadily, to be quickly horizontally moved convenient for horizontal mobile mechanism 10, while for level Mobile mechanism 10 is oriented to, and the channel that moves horizontally further includes that left and right two is symmetrically laid and for 10 water of horizontal mobile mechanism Translation it is dynamic move horizontally track 11, it is described to move horizontally track 11 in horizontal layout and it is along vertical bridge Xiang Bushe；Described in two Track 11 is moved horizontally symmetrically to be laid in above the left and right sides of longitudinal support beam 3-1；

Horizontal mobile mechanism 10 described in every group, which is mounted on, in the horizontally moving device same described moves horizontally rail On road 11.

In the present embodiment, the longitudinal support beam 3-1 is spliced by multiple horizontal supporting plates, multiple described horizontally-supported Plate be in horizontal layout and its along vertical bridge Xiang Bushe, multiple horizontal supporting plates are laid in same from left to right along direction across bridge On horizontal plane；Multiple horizontal supporting plates are supported in the movable passageway support construction.It is multiple described when practice of construction Horizontally-supported board width is small, light-weight, is dismounted easily.

It is described to move horizontally channel to further include that left and right two is symmetrical lay and to moving horizontally track to ensure support strength The 11 track supporting beams 12 being supported, the track supporting beam 12 is in horizontal layout and it is along vertical bridge Xiang Bushe；It is each described Track supporting beam 12 moves horizontally the underface of track 11 described in being supported in one.

In the present embodiment, the quantity of the Horizontal limiting part 9 is two, and each Horizontal limiting part 9 is respectively positioned on one It is described to move horizontally 11 front of track.

To ensure that moving process is safe and reliable, moved arch assembly segment 1-1 is prevented to be moved to the horizontal shifting forward On the outside of dynamic channel, the arch segmentation transfer device further includes the limit limited to moved arch assembly segment 1-1 Position rope 14, the limit rope 14 move horizontally above channel positioned at described, and the limit rope 14 is located at the assembled segment movement Device rear, the rear end of the limit rope 14, which is fixed on, is located at rear anchor ingot 15-2 or the anchoring for moving horizontally channel dead astern On the basis of, the front end of the limit rope 14 is fixed on moved arch assembly segment 1-1.In actual use, pass through limit rope 14 can effectively prevent moved arch assembly segment 1-1 it is out of control before slip, go out and described move horizontally channel.

In the present embodiment, the rear end of the limit rope 14 is fixed on rear anchor ingot 15-2.It is arranged on anchor ingot 15-2 after described There is the anchoring piece of the rear end binding and fixing for limit rope 14.

In the present embodiment, the support pier stud 7 that the front end the longitudinal support beam 3-1 is supported is preceding pier stud；Described in two forever Long support 6 is respectively that the permanent support in front side being supported in below 2 front end of arch rib and the rear side being supported in below 2 rear end of arch rib are permanent Support, the front end of the longitudinal support beam 3-1 are located above the permanent support of the rear side, and the preceding pier stud is supported in the rear side On permanent support.

Two permanent supports 6 are the skewback being supported to arch rib 2, and the preceding pier stud is supported in the rear side forever On long support, can effectively ensure the support stability of the preceding pier stud, simultaneously because the preceding pier stud be supported in middle part beam section 3 with Below junction between one side beam section 4, thus it can effectively ensure to support middle part beam section 3 and side beam section 4 Support strength, and by the permanent support of the rear side directly as the brace foundation of the preceding pier stud, it saves to the preceding pier stud Basis construct, saving of work and time.

When practice of construction, when carrying out assembly to assembling type steel arch 1, using cable crane by the arch of assembling type steel arch 1 Frame assembly segment 1-1 is lifted one by one carries out assembly in place.

As shown in figure 5 and figure 7, it is laid with a pylon 17 on the permanent support of the rear side, the pylon 17 is to being moved The loop wheel machine pylon for the cable crane that dynamic arch assembly segment 1-1 is lifted；The pylon 17 be located at the preceding pier stud just after Side；

The pylon 17 includes two vertical supporting the frame 17-1, two vertical supporting frame 17- symmetrically laid in left and right 1 is supported on the permanent support of the rear side, and two vertical supporting frame 17-1, which are symmetrically laid in, described moves horizontally channel The left and right sides.

Meanwhile each pylon 17 further includes multiple lateral connection beam 17-2 from top to bottom laid, each tower Two vertical supporting frame 17-1 are attached by multiple lateral connection beam 17-2 and are integrated in frame 17.

In the present embodiment, the vertical supporting frame 17-1 is the support column assembled by more straight rod pieces, the branch Dagger is cube scapus.

Also, the lateral connection beam 17-2 is the horizontal connection beam assembled by more straight rod pieces.

When practice of construction, without the tower foundation supported for pylon 17 of specially constructing, pylon 17 need to be only supported directly upon On the permanent support of rear side, it is firm not only to support, and saving of work and time.Simultaneously as pylon 17 and the preceding pier stud It is supported on the permanent support of the rear side, it, can be to pylon 17 and the preceding pier after the completion of the permanent support construction of rear side Column is constructed respectively, can effectively provide construction efficiency, and the cable crane of being more convenient for is to being moved on the preceding pier stud The arch assembly segment 1-1 of side is lifted.Region above the preceding pier stud is the lifting region of the cable crane, described Lifting region is located at 17 front side of pylon.

When practice of construction, two pylons 17 are respectively positioned on same vertical plane with arch rib 2 and longitudinal support beam 3-1, and two A pylon 17 is respectively the preceding pylon for being located at 2 front side of arch rib and the tail tower positioned at 2 rear side of arch rib, is supported in the rear side Pylon 17 on permanent support is the tail tower.Wherein, the trolley is also referred to as sport car or lifting sport car.

In the present embodiment, each support pier stud 7 includes the two vertical pier stud 7-1 symmetrically laid in left and right and one The bent cap 7-2 being supported horizontally on two vertical pier stud 7-1, the bent cap 7-2 are in horizontal layout and it is along direction across bridge cloth If the longitudinal support beam 3-1 is supported on multiple bent cap 7-2 in the movable passageway support construction.

When practice of construction, the bent cap 7-2 is reinforced beam, and the vertical pier stud 7-1 is reinforced column.

In the present embodiment, the horizontal supporting plate is flat plate, and the horizontal supporting plate and the movable passageway support It is attached by multiple vertical connection bolts 16 between each bent cap 7-2 in structure.Thus, actually it is dismounted easily, and And it is able to satisfy gentle support demand.

Each bent cap 7-2 to ensure to support stationarity, in the horizontal supporting plate and the movable passageway support construction Between pad lower supporting steel plate 18 is housed, by vertically connecting between each lower supporting steel plate 18 and the horizontal supporting plate Connecting bolt 16 is fixed.

In the present embodiment, one layer of screed-coat is provided between the lower supporting steel plate 18 and its bent cap 7-2 supported 19, the screed-coat 19 is mortar levelling layer or concrete leveling layer.

In the present embodiment, the track 11 that moves horizontally is the channel steel of one of notch upward.Also, it is described to move horizontally machine Structure 10 is installed in the channel steel.

11 actual installation of track that moves horizontally is easy and easy to use, and using effect is good, passes through the slot Steel can steadily be oriented to horizontal mobile mechanism 10, it is ensured that moving process is easy, quickly carries out.

In the present embodiment, the horizontal mobile mechanism 10 be horizontal movable trolley, the horizontal movable trolley include vehicle frame 10-1, The upper support board 10-3 being mounted on vehicle frame 10-1 and two groups are symmetrically arranged on the traveling wheel of bottom at left and right sides of vehicle frame 10-1 10-2, traveling wheel 10-2 described in every group include it is multiple along vertical bridge to the traveling wheel 10-2 laid from front to back；Moved arch Assembled segment 1-1 is supported on upper support board 10-3.

Each track supporting beam 12 is spliced by multiple tracks I-steel, and I-steel described in multiple tracks is in horizontal layout And it along vertical bridge Xiang Bushe, multiple I-steel are laid from left to right along direction across bridge.Also, to ensure to support stability, Each track supporting beam 12 and longitudinal support beam 3-1 pad equipped with a branch pading plate 13, the branch pading plate 13 in The flat plate of horizontal layout and its along vertical bridge Xiang Bushe.

In the present embodiment, each track supporting beam 12 is weldingly fixed on the branch pading plate 13.Each The track 11 that moves horizontally is weldingly fixed in the track supporting beam 12.Practice of construction is easy, and connects jail It leans on.

In actual use, arch is spelled using the side beam section support construction that a counter-lateral quadrents beam section 4 is supported Dress segment 1-1 is moved, and arch assembly segment 1-1 can directly, be quickly moved to the lifting region of the cable crane, accounted for It is small with space, and easy construction, quickly, without special construction movable passageway, saving of work and time, can significantly save the cost, together When do not limited by construction site and construction condition, using effect is good.As shown in Fig. 5 and Fig. 6, on the working cable 17-8 Former and later two trolleys are installed, two trolleys be respectively before sport car 21 and positioned at preceding 21 rear side of sport car Sport car 22 afterwards.

In the present embodiment, the quantity of the working cable 17-8 is twice, and working cable 17-8 described in twice is along vertical bridge to cloth And if the two is symmetrically laid in above the left and right sides of the arch rib of first constructing；Before being mounted on working cable 17-8 described in per pass Latter two described trolley, two trolleys are respectively positioned between two pylons 17；Four in the cable crane The hanging apparatus that a trolley group pairs of arch assembly segment 1-1 is lifted；

Working cable 17-8 described in twice is respectively left side working cable and the right side work on the right side of the left side working cable Rope, two vertical supporting frame 17-1 in each pylon 17 are respectively Left-side support frame and are located at the Left-side support Right side support frame on the right side of frame；The left side working cable is supported on the Left-side support frame of two pylons 17, described Right side working cable is supported on the Right side support frame of two pylons 17.

The trolley is sport car, two trolleys be respectively before sport car 21 and positioned at preceding 21 rear side of sport car Sport car 22 afterwards.Also, the working cable pulley for working cable 17-8 installation is provided on the cable saddle 17-6.

In the present embodiment, one piece of vertical baffle 38 is mounted on the inner sidewall of each vertical support 30-2, it is described Vertical baffle 38 is located above the horizontal slide；Along the transverse bridge, the vertical baffle 38 is length to the vertical baffle 38 Rectangular flat plate and its be located above horizontal seat 30-1, the lateral wall of the horizontally-supported seat and the vertical baffle 38 are tight Patch；

Two vertical baffles 38 on the front side support are laid in same level and the two be laid in it is same On vertical plane, two vertical baffles 38 on the rear side support are laid in same level and the two be laid in it is same On vertical plane.

As shown in figure 15, each vertical baffle 38 is respectively positioned on right above the vertical right-angle side below, and Each vertical 38 bottom of baffle is close to the vertical right-angle side being disposed below and the two forms side guide plate.

In actual use, constructed arch rib is carried out in concreting process, to the steel arch-shelf (i.e. arch branch Support 100) the steel arch-shelf support that is supported undertake the self weight of entire steel arch-shelf, arch rib forming panel weight and apply Each interim skewback is laid on the permanent support 6 to constructed arch rib by work load etc., and the permanent support 6 is Armored concrete support, the support base of the armored concrete support is the armored concrete support in horizontal layout, described Interim skewback is fixed on the support base and it is fastenedly connected with permanent support 6 and is integrated, thus can effectively ensure described The load bearing effect and stress performance of interim skewback.When being poured to the support base, synchronizes and pour the interim skewback, and It pours the interim skewback with the support base to be integrated, the interim skewback is by the molding branch of C40 concreting Seat.

Each interim skewback includes horizontal seat 30-1 (i.e. pedestal) and vertical support 30-2 (back seat), the water Arch hinged seat 20 on flat bearing 30-1 (i.e. pedestal) is the coercive mechanism of the steel arch-shelf, and arch hinged seat 20 is born huge Horizontal force and vertical force, horizontal force pass to back seat, and vertical force passes to pedestal, thus the interim skewback is reasonable in design And stressed effect is good.The arch hinged seat 20 is formed hingedly with the steel arch-shelf, it is contemplated that the steel arch-shelf is traversing, need to also be It sets traversing distribution beam on horizontal seat 30-1, and arch hinged seat 20 is fixedly secured in transverse distribution back portion, it is traversing Shi Suoshu transverse distribution beam is together with arch hinged seat 20 and the steel arch-shelf whole lateral moving.

In the present embodiment, the front side seat supports are on front side basis 39, and the rear side seat supports are in rear side basis On 40, front side basis 39 and rear side basis 40 are the reinforced concrete platform in horizontal layout.Two traversing drives Dynamic device is laid in respectively on front side basis 39 and rear side basis 40, and two reaction frames 37 are laid in front side basis 39 respectively On rear side basis 40.The front side basis 39 and the rear side basis are the support base.

In the present embodiment, the longitudinal width of the interim skewback is 1m and its transverse width is 22m.

When practice of construction, according to specific needs, the size of the interim skewback is adjusted accordingly.

In the present embodiment, the vertical baffle 38 is the steel plate of thickness 1cm.

In actual use, the vertical baffle 38 both can be used as to the limit plate for being transversely mounted seat and being limited, It can also be used as the guide plate being transversely mounted in a direction across bridge translation motion, can further ensure that the steel arch-shelf traverses over The stationarity of journey.Meanwhile the vertical baffle 38 can effectively reduce and described be transversely mounted rubbing between seat and vertical support 30-2 Power is wiped, keeps the traversing process for being transversely mounted seat easier, quick.The vertical baffle 38 and the level below are sliding Road smoothly connects, and can effectively reduce the frictional force in slipping.

To ensure that the steel truss (i.e. arch support frame 100) goes on smoothly direction across bridge translation, each translation slideway Clear distance in 33 between two horizontal slides is less than the length for being transversely mounted seat.The length for being transversely mounted seat with The direction across bridge of the steel truss is of same size, and the length of the transverse distribution beam and the length phase for being transversely mounted seat Together, enable it is described be transversely mounted seat steadily, firm support can ensure that transverse distribution described in twice on the transverse distribution beam Beam can carry out steady, secure support to the steel truss.

In the present embodiment, the vertical jack 32 and pushing tow jack 41 are hydraulic jack, the hydraulic jack Top refers to the jack using plunger or hydraulic cylinder as rigid top lift part (i.e. top lift part).

In actual use, when the use steel arch-shelf (arch support frame 100) is to constructed arch rib (i.e. arch rib 2) When being constructed, the steel arch-shelf is in holding state；It is described when used translating device carries out traversing to the steel arch-shelf Steel arch-shelf is in traversing state.When the steel arch-shelf is in holding state, the steel arch-shelf is by being located at one immediately below it A steel arch-shelf jacking apparatus carries out steady jacking upwards to the steel arch-shelf, until in place by steel arch-shelf jacking, this When the steel arch-shelf jacking apparatus that the steel arch-shelf is jacked in all vertical jack 32 rigid top lift part upper end It extend out to above horizontal seat 30-1.When the steel arch-shelf is in traversing state, institute that the steel arch-shelf is jacked It states all vertical jack 32 in steel arch-shelf jacking apparatus to bounce back, and all vertical jack in the steel arch-shelf jacking apparatus 32 rigid top lift part upper end is respectively positioned below the upper surface of horizontal seat 30-1.

As shown in figure 15, in the present embodiment, the horizontal slide is to be fixed on vertical support 30-2 inner sidewall together Right angle angle steel.

When practice of construction, the translation slideway 33 or other types of slideway, such as the channel steel of notch upward.

Be it is fixed easy, firm, be provided in the vertical support 30-2 horizontal slide is fixed it is pre-buried Steel plate 42, the pre-embedded steel slab 42 be arranged vertically and its along the transverse bridge, the lateral wall of the pre-embedded steel slab 42 and perpendicular Inner sidewall to support 30-2 is concordant, and the horizontal slide is weldingly fixed on pre-embedded steel slab 42.Also, the translation slideway 33 A right-angle side be to be welded and fixed the vertical right-angle side being integrated with pre-embedded steel slab 42, another of the translation slideway 33 is straight The arm of angle is the level right angle side in horizontal layout.When carrying out traversing to the steel arch-shelf, the seat that is transversely mounted is supported horizontally on On the level right angle side, thus the level right angle side is the sliding channel for being transversely mounted seat.

For the stability for further enhancing the level right angle side, level right angle side bottom along direction across bridge from left to right Multiple triangle stiffeners 23 are laid with, the triangle stiffener 23 is arranged vertically and it is weldingly fixed on the level Right-angle side bottom, the triangle stiffener 23 are weldingly fixed on pre-embedded steel slab 42.

As shown in Figure 13, Figure 22 and Figure 25, each cross sliding driving device further includes one and mentions for pushing tow jack 41 For the reaction frame 37 of counter-force, each reaction frame 37 is laid on same vertical plane with a pushing tow jack 41, Each pushing tow jack 41 is respectively positioned between a reaction frame 37 and the steel arch-shelf.Thus, each pushing tow The rigid top lift part of jack 41, which is propped up, to be withstood on the transverse distribution beam together.

During practice of construction, after the completion of the construction of constructed arch rib and to the steel arch-shelf carry out it is traversing before, first to institute Steel arch-shelf is stated to be transferred.In the present embodiment, as shown in Figure 23, Figure 24 and Figure 25, arch described in step 2 support with it is traversing Device further includes two fall girder apparatus symmetrically laid in left and right, and each fall girder apparatus is laid in the steel arch-shelf branch On seat；Each fall girder apparatus includes the Luo Liang mechanism that former and later two are symmetrically laid, uniformly distributed on each interim skewback Equipped with a Luo Liang mechanism；Each Luo Liang mechanism include H be laid in from left to right along direction across bridge it is same vertical The temporary support being supported on face and in decentralization process to the steel arch-shelf, the temporary support are arranged vertically, H institute The structure snd size for stating temporary support are all the same and it is laid in same level；Wherein, H is positive integer and H≤M；Often A temporary support is laid in the vertical groove 31；

All temporary supports on the front side support be laid in same level and its along direction across bridge from left to right It is laid on same vertical plane, all temporary support composition front sides on the front side support fall beam support；The rear side support On all temporary supports be laid in same level and it is laid on same vertical plane from left to right along direction across bridge, institute All temporary support composition rear sides stated on rear side support fall beam support；The front side falls beam support and is located at the transverse direction point together Underface with beam, the rear side fall the underface that beam support is located at transverse distribution beam described in another road；Each steel arch-shelf All temporary supports on support form a steel arch-shelf for synchronizing support to the steel arch-shelf and fall beam support.

In the present embodiment, in step 204 after the completion of the jacking of arch support frame, to immediately below the arch rib of first constructing The fall girder apparatus is installed, and is respectively supported at the rear and front end of arch support frame 100 in one Luo Liang mechanism； Later, the lifting device for being supported in 100 lower section of arch support frame is removed；

Vertically movable device described in step 206 is the fall girder apparatus；

When carrying out the decentralization of arch support frame in step 206, beam dress is fallen using being supported in described in 100 lower section of arch support frame It sets and arch support frame described in step 204 100 is transferred vertically；

In step 209 arch support frame jacking after the completion of, to be located at it is described after construction arch rib immediately below described in fall beam dress It sets and is installed, and be respectively supported at the rear and front end of arch support frame 100 in one Luo Liang mechanism；Later, it will prop up The lifting device in 100 lower section of arch support frame is supportted to remove.

When being transferred to the steel arch-shelf, the institute that is arranged on the steel arch-shelf support immediately below the steel arch-shelf There is temporary support to synchronize to transfer the steel arch-shelf.Also, before being transferred to the steel arch-shelf, first positioned at described The temporary support is laid on the steel arch-shelf support immediately below steel arch-shelf.The temporary support is sand cylinder 34 or sandbox.

In the present embodiment, the temporary support is sand cylinder 34, and sand cylinder 34 is off-load support.

In the present embodiment, N=5.

In actual use, according to specific needs, the value size of N is adjusted accordingly.Thus, the interim skewback In be laid with a vertical jack 32 in each vertical groove 31.

In the present embodiment, H=5.Thus, an institute is laid in each vertical groove 31 in the interim skewback State temporary support.

In actual use, according to specific needs, the value size of H is adjusted accordingly.

In the present embodiment, each cross sliding driving device further includes one and drives the transverse distribution beam horizontal direction Forward Dynamic traction mechanism 35, each traction mechanism 35 are laid on same vertical plane with the transverse distribution beam together, institute It states traction mechanism 35 and is connect by traction rope 36 with the transverse distribution beam being located on same vertical plane；

Pushing tow jack 41 and traction mechanism 35 are laid in the steel arch-shelf respectively in each cross sliding driving device Two sides.In actual use, the pushing tow jack 41 is matched with traction mechanism 35 translates the steel arch-shelf.

In the present embodiment, the traction mechanism 35 is hoist engine.

In actual use, the traction mechanism 35 can also use other types of pulling equipment.

In the present embodiment, constructed arch rib is the arch rib of deck type box arch bridge, and the quantity of the constructed arch rib is two The symmetrical laying of arch rib described in width and two width, each steel arch-shelf support are respectively positioned on the underface of arch rib described in a width.

In actual use, when the direction across bridge width of arch support frame 100 is less than two vertical branch in the tail tower When the clear distance of support 17-1, the arch support frame 100 is an assembling type steel arch 1；Otherwise, when arch support frame It, need to be by arch support when 100 direction across bridge width is not less than the clear distance of two vertical supporting frame 17-1 in the tail tower Frame 100 is divided into multiple arched frames from left to right, and each assembling type steel arch 1 is one in arch support frame 100 A arched frame, each arched frame are spliced along vertical bridge to the arch assembly segment 1-1 laid from front to back from multiple It forms, each of arch support frame 100 arched frame is an assembling type steel arch 1 at this time.

As shown in Figure 14, Figure 15 and Figure 16, in the present embodiment, arch support frame described in step 2 100 former and later two Arch springing is respectively supported on an arch hinged seat 20, and the arch hinged seat 20 is the arch springing installation for arch support frame 100 Be transversely mounted seat, 20 bottom of arch hinged seat is equipped with one of transverse distribution beam, and the transverse distribution beam is to be installed on The skewback beam 23 of 20 bottom of arch hinged seat；The arch support frame 100 is arranged vertically and it is along vertical bridge Xiang Bushe.It is described Skewback beam 23 is supported on the lifting device or the fall girder apparatus.When being translated to arch support frame 100, the skewback Beam 23 is supported on translation slideway 33.Thus, the arch hinged seat 20 is transversely mounted seat to be described, and the transverse distribution beam is It is installed on the skewback beam 23 of 20 bottom of arch hinged seat.

In the present embodiment, each skewback beam 23 is supported on an interim skewback, and the interim skewback is to lay L shape support 30 in permanent 6 inside of support.Also, be provided on the L shape support 30 skewback beam 23 is supported it is vertical Supporting element (the i.e. described lifting device or the fall girder apparatus).

As shown in Figure 11, Figure 21, the arch support frame 100 includes the arch springing segment 1-100 that former and later two are symmetrically laid And the load-bearing steel arch-shelf being connected between two arch springing segment 1-100, the load-bearing steel arch-shelf and two arch springing sections 1-100 is along vertical bridge Xiang Bushe for section；The load-bearing steel arch-shelf is spliced by multiple steel arch-shelf segment 1-2, multiple steel arches Frame segment 1-2 is laid from front to back along the laying of vertical bridge；The rear and front end lower part of the load-bearing steel arch-shelf and two arch springing sections It is connected in hinged way between the lower part of section 1-100 and between the lower part of the two neighboring steel arch-shelf segment 1-2 in front and back, Between the rear and front end top of the load-bearing steel arch-shelf and the top of two arch springing segment 1-100 and front and back is two neighboring It is attached by adjustable connecting piece between the top of the steel arch-shelf segment 1-2；Two arch springing segment 1-100 and Multiple steel arch-shelf segment 1-2 are the steel truss being assembled by more straight rod pieces；

The bottom of two arch springing segment 1-100 is provided with the transverse direction being supported horizontally on arch hinged seat 20 Steel pipe 1-11, the transverse direction steel pipe 1-11 in horizontal layout and its along the transverse bridge, the transverse direction steel pipe 1-11 is circular steel Pipe；Each transverse direction steel pipe 1-11 is supported on the arch hinged seat 20, each transverse direction steel pipe 1-11 with It is attached in hinged way between its arch hinged seat 20 supported.Thus, it can be easy to be real by lateral steel pipe 1-11 It is hinged between the existing steel arch-shelf and arch hinged seat 20.

In the present embodiment, the straight rod piece is straight steel pipe.

As shown in Figure 17, Figure 18, the arch hinged seat 20 includes a horizontally-supported seat being supported on skewback beam 23 With the supporting steel plate 20-1 being supported on the horizontally-supported seat, the horizontally-supported seat and supporting steel plate 20-1 are in horizontal Lay and the two along the transverse bridge；The cross section of the supporting steel plate 20-1 is arc, each lateral steel pipe 1-11 It is supported on a supporting steel plate 20-1, each transverse direction steel pipe 1-11 and its supporting steel plate 20-1 supported is in same Axis is laid, and the supporting steel plate 20-1 is located at the outer side-lower for supporting lateral steel pipe 1-11.

In the present embodiment, each transverse distribution beam is supported on an interim skewback, and the interim skewback is cloth L shape support 30 set on permanent 6 inside of support.

In the present embodiment, as shown in figure 21, each arch springing segment 1-100 is assembled by M Pin arch springing steel truss, The structure of arch springing steel truss described in M Pin is all the same and it lays from left to right along direction across bridge；

As shown in figure Figure 11,21, each steel arch-shelf segment 1-2 is assembled by M Pin arch steel truss, M Pin institute The structure for stating arch steel truss is all the same and it lays from left to right along direction across bridge；

In the steel arch-shelf segment 1-2 arch steel truss described in every Pin with the Pin institute in the arch springing segment 1-100 Arch springing steel truss is stated to be laid on same vertical plane；

It is located at arch springing steel truss and all arch steel truss described in two Pin on same vertical plane in the arch support frame 100 Frame forms a Pin assembled steel arch, and the arch support frame 100 includes the assembling that M Pin is laid from left to right along direction across bridge The structure snd size of formula steel arch-shelf, assembled steel arch described in M Pin are all the same and it is along vertical bridge Xiang Bushe；

In each interim skewback each vertical groove 31 be respectively positioned on assembled steel arch described in a Pin just under Side.

When practice of construction, described faced according to the quantity of assembled steel arch described in the arch support frame 100 to each When skewback described in the quantity of vertical groove 31 be determined.

In the present embodiment, the arch springing segment 1-100 of former and later two in the arch support frame 100 and multiple steel arches Frame segment 1-2 is laid on same vertical plane.

It is easy and convenient for disassembly and assembly for connection, the rear and front end lower part of the load-bearing steel arch-shelf and two arch springing segments Pass through horizontally hinged axis 29 between the lower part of the two neighboring steel arch-shelf segment 1-2 between the lower part of 1-100 and front and back Connection, the horizontally hinged axis 29 is along the transverse bridge.

As shown in Figure 11, Figure 21, the top of two arch springing segment 1-100 and each steel arch-shelf segment 1-2 Front and rear sides top be provided with for adjust bolt 24 install bolt mounting base 25.In the present embodiment, by adjusting bolt The two neighboring institute of spacing and front and back between 24 pairs of load-bearing steel arch-shelf tops and two arch springing segment tops 1-100 The spacing stated between the top 1-2 of steel arch-shelf segment is adjusted.

Firm for fixed and support, the skewback beam 23 is the steel case for being fixedly welded on the horizontally-supported seat bottom Beam.

In the present embodiment, the steel box-girder is spliced by the I-steel that front and back twice are symmetrically laid, I-shaped described in twice Steel is in horizontal layout and the two is laid in same level, and I-steel described in twice is along the transverse bridge.

For the support strength for further increasing the steel box-girder, pass through multiple tracks cross connecting plate between I-steel described in twice It is fastenedly connected, and is fastened between cross connecting plate described in multiple tracks by multiple pull rods along direction across bridge horizontal layout Connection.

During traversing to steel arch-shelf progress, the transverse distribution beam is supported on horizontal seat 30-1, thus energy Effectively ensure that steel arch-shelf described in traversing process is in steady state always, and the vertical active force that the steel arch-shelf is born is straight It connects and acts on horizontal seat 30-1, the vertical active force for avoiding the steel arch-shelf from bearing is acted on the horizontal slide and made It is destroyed at the horizontal slide.Meanwhile to the steel arch-shelf carry out it is traversing during, it is described to be transversely mounted on the outside of seat and vertical gear Plate 38 is close to, and can ensure that horizontal force action that the steel arch-shelf is born on the horizontal slide and causing the horizontal slide broken It is bad.Also, it can ensure that the steel arch-shelf is easy, it is traversing quickly to carry out.

For ensure the transverse distribution beam can easy, the quick and steady movement on horizontal seat 30-1, the transverse direction point Ship shape is formed after cutting on the rear and front end bottom with beam, and welds cunning in the rear and front end bottom of the transverse distribution beam Dynamic steel plate prevents the traversing process middle-end head stress concentration of the transverse distribution beam from vertical groove 31 being caused to be damaged.

As shown in figure 18, the horizontally-supported seat includes the L shape support base for being supported in the outer side-lower of supporting steel plate 20-1, institute State L shape support base cross section be L shape and its along the transverse bridge, the L shape support base is by being supported horizontally on skewback beam 23 Horizonal base plate 20-2 and be fixed on the vertical supporting plate 20-3 composition of the outer upper side of horizonal base plate 20-2, the horizonal base plate It is attached between 20-2 and supporting steel plate 20-1 by multiple vertical steel plate 20-4 laid from outside to inside, the vertical supporting It is attached between plate 20-3 and supporting steel plate 20-1 by multiple lateral steel plate 20-5 laid from the bottom to top, the transverse direction steel Plate 20-5 is in horizontal layout；The horizonal base plate 20-2, vertical supporting plate 20-3, vertical steel plate 20-4 and lateral steel plate 20-5 Be flat plate and its along the transverse bridge, the vertical steel plate 20-4 and horizonal base plate 20-2 and supporting steel plate 20-1 it Between be fixedly connected with welding manner, between transverse direction steel plate 20-5 and vertical supporting plate 20-3 and the supporting steel plate 20-1 with Welding manner is fixedly connected.

In the present embodiment, the quantity of vertical steel plate 20-4 and lateral steel plate 20-5 are two in the horizontally-supported seat. When actual processing, according to specific needs, to the quantity of steel plate 20-4 vertical in the horizontally-supported seat and lateral steel plate 20-5 And the installation position of vertical steel plate 20-4 and lateral steel plate 20-5 adjusts accordingly respectively.

Meanwhile the horizontally-supported seat further includes oblique steel plate 20-6, the oblique steel plate 20-6 from top to bottom gradually to Outer incline and its be flat plate along the transverse bridge, the top of the oblique steel plate 20-6 is weldingly fixed on supporting steel plate 20-1 is upper and its bottom is weldingly fixed on the junction between horizonal base plate 20-2 and vertical supporting plate 20-3.

As shown in figure 19, to ensure that arch support frame 100 steady, firm can be supported on arch hinged seat 20, the arch Frame hinged seat 20 further includes the steel pipe position-limit mechanism that multiple couples of transverse direction steel pipe 1-11 are limited, multiple steel pipe position-limit mechanisms Structure it is all the same and it lays from left to right along direction across bridge, multiple steel pipe position-limit mechanisms are arranged vertically；

The steel pipe position-limit mechanism includes the arc-shaped limit press strip 20-7 for being laid in lateral steel pipe 1-11 inside front, described Arc-shaped limit press strip 20-7 is arranged vertically and its upper and lower ends is each attached on the horizontally-supported seat, the arc-shaped limit Pad is equipped with limit steel plate strip 20-8, the cross section of the limit steel plate strip 20-8 between press strip 20-7 and lateral steel pipe 1-11 Arc and its underface for being fixed on arc-shaped limit press strip 20-7.

In the present embodiment, the arc-shaped limit press strip 20-7 is the reinforcing bar press strip as made of a bar bending, the limit Position steel plate strip 20-8 is formed by one piece of oblong flat steel plate bending and it is weldingly fixed on arc-shaped limit press strip 20-7.

To be fixed easy, the upper segment of the arc-shaped limit press strip 20-7 is upper linkage section and its underpart segment is lower company Section is connect, the lower ear plate 26 for fixing the lower linkage section, the vertical supporting are welded on the horizonal base plate 20-2 The upper inner of plate 20-3 is welded with the upper ear plate 27 for fixing the upper linkage section, the lower ear plate 26 and upper ear plate 27 be the flat plate being arranged vertically.When practical fixed, between the upper linkage section and upper ear plate 27 and under described It is fixedly connected by horizontal connection bolt 28 between linkage section and lower ear plate 26, thus the steel pipe position-limit mechanism connects It is easy and convenient for disassembly and assembly, and lateral steel pipe 1-11 can effectively be limited by the steel pipe position-limit mechanism, prevent transverse direction Steel pipe 1-11 is detached from from the horizontally-supported seat, it is ensured that the support stationarity of lateral steel pipe 1-11；Meanwhile the steel pipe limit Mechanism rotates on supporting steel plate 20-1 without limitation on lateral steel pipe 1-11.

As shown in figure 21, arch springing steel truss described in every Pin is a triangle steel truss, arch springing steel truss described in every Pin Include left and right two triangle projective planum truss symmetrically laid, two triangle projective planum truss be arranged vertically and The two is attached between vertical bridge Xiang Bushe, two triangle projective planum truss by multiple tracks connecting rod；It is each described Triangle projective planum truss by a lower connecting rod 1-12, one be located at lower connecting rod 1-12 right above upper connecting rod 1-13 and A piece middle connecting rod 1-14 being connected between lower connecting rod 1-12 and upper connecting rod 1-13 is formed by connecting, the lower connecting rod The lower end of 1-12 and the lower end of upper connecting rod 1-13 are each attached on lateral steel pipe 1-11, the upper end of the lower connecting rod 1-12 It is attached between the upper end of upper connecting rod 1-13 by middle connecting rod 1-14.

In the present embodiment, the lower connecting rod 1-12, upper connecting rod 1-13 and middle connecting rod 1-14 are straight steel pipe, and And the lower end of the lower connecting rod 1-12 and the lower end of upper connecting rod 1-13 are weldingly fixed on lateral steel pipe 1-11, and It is fixedly connected between middle connecting rod 1-14 and lower connecting rod 1-12 and upper connecting rod 1-13 with welding manner.The connection Bar be straight steel pipe and its be fixedly connected between the triangle projective planum truss with welding manner.

As shown in Figure 11, Figure 20, in each arch springing segment 1-100 between arch springing steel truss described in adjacent two Pin and Being fastenedly connected by lateral connection frame between arch steel truss described in adjacent two Pin in each steel arch-shelf segment 1-2 is one Body；

Arch steel truss described in every Pin includes the two arch plane girders symmetrically laid in left and right, and two arches are flat Face truss is arranged vertically and the two is connected between vertical bridge Xiang Bushe, two arch plane girders by multiple tracks Rod piece is attached；Each arch plane girder is located at right above lower boom 1-21 by a lower boom 1-21, one Top boom 1-22 and Duo Gen be connected to the web member 1-23 between lower boom 1-21 and top boom 1-22 and be formed by connecting.

In the present embodiment, M=5.

When actual processing, according to specific needs, the value size of M is adjusted accordingly.

In the present embodiment, the lower boom 1-21, top boom 1-22 and web member 1-23 are flat plate, the web member 1- It is fixedly connected between 23 and lower boom 1-21 and top boom 1-22 with welding manner.The connecting rod be straight steel pipe and its It is fixedly connected with the arch plane girder with welding manner.

In the present embodiment, between each lower connecting rod 1-12 and lower boom 1-21 adjacent thereto and front and back is adjacent Be attached by horizontally hinged axis 29 between two lower boom 1-21, each upper connecting rod 1-13 and and its Pass through the adjustable connecting piece between the two neighboring top boom 1-22 between adjacent top boom 1-22 and front and back It is attached, the adjustable connecting piece is along vertical bridge Xiang Bushe.

In actual use, the rear and front end of arch support frame 100 is respectively supported at the arch hinged seat 20 On, the rear and front end of arch support frame 100 is provided with a lateral steel pipe 1-11, and transverse direction steel pipe 1-11 and institute's scaffold It is attached in hinged way between hinged seat 20, can effectively meet the Deformation Demands of arch support frame 100 in this way.Also, it is every A arch hinged seat 20 carries out firm support by a skewback beam 23.It is synchronous along direction across bridge during practice of construction Push two skewback beams 23 just easy arch support frame 100 can be pushed to be moved along direction across bridge, it in this way can be by arch branch Support 100 removes immediately below constructed arch rib so as to subsequent use or dismounting.

In the present embodiment, as shown in figure 22, the middle part arched frame includes described in 3 Pin are laid from left to right along direction across bridge Assembled steel arch, the left side arched frame and right side arched frame include assembled steel arch described in a Pin.

In step A1 to two side joggle trusses of assembled steel arch-shelf 1 carry out symmetrical assembly and refer to two institutes It states the arch assembly segment 1-1 in the joggle truss of side and carries out staggeredly assembly.

In the present embodiment, two side joggle trusses are respectively the front side assembly being located on front side of vault splicing segment 1-01 Frame and the rear side assembly frame on rear side of vault splicing segment 1-01；

Two abutments 8 are respectively the preceding abutment being supported in below the girder front end and are supported in the main beam rear end The rear abutment of lower section, anchor ingot 15-1 before being provided with immediately ahead of the preceding abutment, it is described after the dead astern of abutment be provided with rear anchor Ingot 15-2；

The front end of knotted rope 17-10 described in per pass is each attached in the rear side assembly frame one and has lifted in the tail tower On arch assembly segment 1-1 in place, the rear end of knotted rope 17-10 described in per pass is each attached to rear anchor ingot 15-2 in the tail tower On；

The rear end of knotted rope 17-10 described in per pass is each attached to an arch in the front side assembly frame in the preceding pylon On frame assembly segment 1-1, before the front end of knotted rope 17-10 described in per pass is each attached in the preceding pylon on anchor ingot 15-1；

The arch assembly segment 1-1 of decentralization in place is spelled with the arch being disposed below and assembly is completed in step A12 After filling segment 1-1 connection, also need by the one knotted rope 17-10 to arch assembly segment 1-1 assembled in this step into Row is fixed temporarily.Thus, during assembled, it can ensure that the arch assembly segment of assembled completion by knotted rope 17-10 described in two groups The stability of 1-1.

As shown in the above, arch assembly segment 1-1 in place is lifted using Inclined cable-stayed (i.e. knotted rope 17-10) Cantilever mode is fixed temporarily, and before vault splicing section assembling is carried out in step A2, can pass through knotted rope 17- described in two groups 10 are respectively adjusted two the linear of side joggle truss, are further ensured that the line after assembling type steel arch 1 closes up Shape.

In step A2 after the completion of vault splicing section assembling, then the substep of the knotted rope 17-10 described in two groups is removed in batches.

One is carried out when carrying out first arch assembly section assembling in the present embodiment, in step A11 and in step A12 When arch assembly section assembling, be all made of arch segmentation transfer device by current assembled arch assembly segment 1-1 to Preceding translation；When the front end of arch assembly segment 1-1 is moved to above the preceding pier stud, moved arch assembly segment 1-1 into Enter the lifting region of the cable crane, at this time connect preceding sport car 21 with the front end of moved arch assembly segment 1-1, completes 21 pairs of moved arch assembly segments of preceding sport car front end 1-1 lifts；Recycle the arch segmentation transfer device by arch Assembled segment 1-1 along vertical bridge to continuing to move along, until by the front end of moved arch assembly segment 1-1 be moved to it is described before After above pier stud, rear sport car 22 is connect with the rear end of moved arch assembly segment 1-1, is moved for 22 pairs of sport car after the completion The arch assembly segment rear end 1-1 is lifted；It is complete after sport car 22 is connect with the rear end of moved arch assembly segment 1-1 after At the hanging apparatus of the cable crane to the lifting process of arch assembly segment 1-1, then pass through the cable crane Arch assembly segment 1-1 is lifted and is transferred in place by the hanging apparatus.

After moved arch assembly segment 1-1 enters the lifting region of the cable crane, pass through 9 pairs of institutes of Horizontal limiting part It states horizontally moving device to be limited, can ensure that the horizontally moving device moves horizontally on the outside of channel described in will not being moved to, Ensure that work progress is safe and reliable, while arch assembly segment 1-1 will not be continued to move along and be had any impact.In addition, The limit rope 14 is snubbing line, can further ensure that the moving process of arch assembly segment 1-1 is safe, steady.

In the present embodiment, as shown in Figure 1, when carrying out vault splicing section assembling in step A2, since vault splices segment The length of 1-01 is shorter, when being lifted using the trolley of the cable crane to vault splicing segment 1-01, adopts It is lifted with the rear sport car 22 of two in the cable crane.

When carrying out vault splicing section assembling in step A2, the arch segmentation transfer device is all made of by vault and splices section Section 1-01 is translate forward；When vault splicing segment 1-01 is moved to above the preceding pier stud, vault splices segment 1-01 and enters The lifting region of the cable crane will be connect, sport car 22 after realization in the middle part of rear sport car 22 and vault splicing segment 1-01 at this time Vault splicing segment 1-01 is lifted；The hanging apparatus of the cable crane is completed to vault splicing segment 1-01's Lifting process, then vault splicing segment 1-01 is lifted by the hanging apparatus of the cable crane and is transferred in place.

It, can also be according to side described in step A11 when carrying out vault splicing section assembling when practice of construction, in step A2 Method, using two preceding sport cars 21 with two after sport car 22 is synchronous lifts to vault splicing segment 1-01.

As shown in figure 5, current assembled arch assembly segment 1-1 is put down forward using arch segmentation transfer device When shifting, using the horizontally moving device by arch assembly segment 1-1 along vertical bridge to forward movement, by described in moving process Horizontally moving device is horizontally-supported to the arch assembly segment front and rear sides 1-1, it is ensured that moved arch assembly segment 1-1 is in Steady state and moving process is safe and reliable；When the front end of moved arch assembly segment 1-1 is moved to above the preceding pier stud When, moved arch assembly segment 1-1 enters the lifting region of the cable crane, at this time by preceding sport car 21 and moved arch The front end of assembled segment 1-1 connects, and 21 pairs of moved arch assembly segments of sport car front end 1-1 lifts before completing.Later, sharp With the horizontally moving device by arch assembly segment 1-1 along vertical bridge to continuing to move along, until by move arch assembly The front end of segment 1-1 is moved to above the preceding pier stud, lifting effect and the level of preceding sport car 21 described in moving process The horizontal support effect of mobile device matches, and can effectively ensure that moved arch assembly segment 1-1 is in steady state, and really It is safe and reliable to protect moving process；As shown in fig. 6, the front end as moved arch assembly segment 1-1 is moved on the preceding pier stud Rear sport car 22 is connect by Fang Shi with the rear end of moved arch assembly segment 1-1, and 22 pairs of sport car moved arches are spelled after the completion The dress rear end segment 1-1 is lifted.After sport car 22 is connect with the rear end of moved arch assembly segment 1-1 after, arch is moved Frame assembly segment 1-1 is steadily lifted by preceding sport car 21 and rear sport car 22, to complete the lifting of the cable crane Journey, practice of construction is easy, and work progress is safe and reliable.

After moved arch assembly segment 1-1 enters the lifting region of the cable crane, pass through 9 pairs of institutes of Horizontal limiting part It states horizontally moving device to be limited, can ensure that the horizontally moving device moves horizontally on the outside of channel described in will not being moved to, Ensure that work progress is safe and reliable, while arch assembly segment 1-1 will not be continued to move along and be had any impact.In addition, The limit rope 14 is snubbing line, can further ensure that the moving process of arch assembly segment 1-1 is safe, steady.

It is arch support frame 100 to the steel arch-shelf that arch rib 2 is constructed when practice of construction.Assembling type steel arch 1 is arch Middle part arch in support frame 100 or arch support frame 100.

In actual use, when the direction across bridge width of arch support frame 100 is less than two vertical branch in the tail tower When the clear distance of support 17-1, the assembling type steel arch 1 is arch support frame 100；Otherwise, when the cross-bridges of arch support frame 100 It, need to be by arch support frame 100 by a left side when being not less than the clear distance of two vertical supporting frame 17-1 in the tail tower to width It is divided into multiple arched frames to the right side, assembling type steel arch 1 is an arched frame in arch support frame 100, each arch Shape frame is spliced along vertical bridge to the arch assembly segment 1-1 laid from front to back from multiple, at this time in arch support frame 100 Each of the arched frame be an assembling type steel arch 1.

When carrying out steel arch-shelf assembly in step 203, by elder generation to rear multiple arched frames in arch support frame 100 Assembly is carried out respectively, and each arched frame is an assembling type steel arch 1, and the assembling method of multiple arched frames is homogeneous Together；When carrying out assembled any of arch support frame 100 arched frame, according to described in step A1 to step A2 Method carry out it is assembled.

In the present embodiment, the direction across bridge width of the arch support frame 100 is described not less than two in the tail tower perpendicular To the clear distance of support frame 17-1, the arch support frame 100 is divided into 3 arched frames from left to right, 3 arched frames along direction across bridge by Left-to-right is respectively left side arched frame, middle part arched frame and right side arched frame.

When carrying out steel arch-shelf assembly in step 203, first according to method described in step A1 to step A2 to the middle part Arched frame is spliced, and is spliced according still further to method described in step A1 to step A2 to the left side arched frame, and will Each arch assembly segment 1-1 is fastenedly connected with the middle part arched frame and is integrated in the left side arched frame；Finally, according to step Method described in rapid A1 to step A2 splices the right side arched frame, and arch each in the right side arched frame is spelled Dress segment 1-1, which is fastenedly connected with the middle part arched frame, to be integrated.

When constructing to the first construction arch rib, the steel arch-shelf jacking apparatus on the steel arch-shelf support is first passed through The assembled molding steel arch-shelf (i.e. arch support frame 100) is vertically jacked, until in place by steel arch-shelf jacking, The steel arch-shelf is in holding state at this time；Later, the first construction arch rib is carried out using the steel arch-shelf of jacking in place Construction；After the completion of the first construction arch rib construction, using all temporary supports on the steel arch-shelf support by the steel arch-shelf Steady decentralization, until the transverse distribution beam below the steel arch-shelf rear and front end is supported horizontally on a horizontal seat On 30-1, so that the steel arch-shelf is in traversing state and make the seat supports that are transversely mounted of the steel arch-shelf in described horizontal sliding On road；Then, traversing to steel arch-shelf progress using the traverse displacement unit, until the steel arch-shelf is moved to the rear construction On steel arch-shelf support immediately below arch rib；Finally, again by the steel arch-shelf jacking apparatus to the mobile steel arch-shelf in place It is vertically jacked, until in place by steel arch-shelf jacking, recycling the steel arch-shelf of jacking in place to the rear construction Arch rib is constructed.

It will be in the steady decentralization process of the steel arch-shelf or to described using all temporary supports on the steel arch-shelf support Before steel arch-shelf is transferred, all vertical jack 32 on the steel arch-shelf support are bounced back.Using the traversing dress Set to the steel arch-shelf carry out it is traversing before, will it is described after it is all vertical very heavy on steel arch-shelf support immediately below construction arch rib Top 32 bounces back.

Construction arch rib construction after when arch rib of first being constructed in the present embodiment, in step 205 is constructed and in step 210, First construct to the bottom plate of arch rib 2；

As shown in Figure 26, Figure 27, the structure of forming panel described in step 205 neutralization procedure 210 is identical and the two is wrapped Two side templates 45 symmetrically laid of end template 44 and left and right positioned at 2 bottom of arch rib are included, the end template 44 is arch template, Two side templates 45 are arranged vertically and the two is supported on end template 44；

Before constructing in step 205 neutralization procedure 210 to the bottom plate of arch rib 2, pressure is first laid above end template 44 Mold mechanism, the press moulding mechanism are located between two side templates 45；

In conjunction with Figure 29 and Figure 30, the arch rib 2 be box beam and it include bottom plate 2-1, the top plate right above bottom plate 2-1 2-4, K web 2-2 and multiple diaphragm plates being laid on bottom plate 2-1 from front to back being laid on bottom plate 2-1 from left to right 2-3, the bottom plate 2-1, top plate 2-4 and web 2-2 are armoured concrete slab, and the diaphragm plate 2-3 is concrete slab；Its In, K is positive integer and K >=3；The bottom plate 2-1 and top plate 2-4 is arch, multiple web 2-2 and multiple tabulas Plate 2-3 is supported between bottom plate 2-1 and top plate 2-4, and the structure snd size of multiple web 2-2 are all the same and it is along vertical Bridge Xiang Bushe, multiple web 2-2 are arranged vertically, and the web 2-2 in multiple web 2-2 positioned at the leftmost side is Left web, the web 2-2 that the rightmost side is located in multiple web 2-2 is right web, except the left side in constructed arch ring 2 All web 2-2 except coxostermum and the right web are median ventral plate, the quantity of median ventral plate described in constructed arch ring 2 It is K-2；Along the transverse bridge and it is arranged vertically, each diaphragm plate 2-3 is equal by multiple diaphragm plate 2-3 It is connected between the left web and the right web；Each diaphragm plate 2-3 passes through the K-2 median ventral plates point For K-1 tabula plate segment, each tabula plate segment is respectively positioned between the two neighboring web 2-2；Two neighboring institute State the cavity between web 2-2 pass through multiple tabula plate segments be divided into from front to back it is multiple pour chamber, it is each described Chamber is poured to be respectively positioned between the two neighboring tabula plate segment in front and back；It is between each web 2-2 and bottom plate 2-1 and every Chamfering 2-5 is provided between a tabula plate segment and bottom plate 2-1；

The press moulding mechanism includes K-1 column pressuring template, and pressuring template described in each column is respectively positioned on the two neighboring web 2-2 Between；Pressuring template described in each column includes multiple pressuring templates being laid on same vertical plane from front to back, each pressing mold Plate pours intracavitary described in being respectively positioned on one, and each described pour intracavitary is provided with the pressuring template；

Each pressuring template includes that multiple be laid in from front to back same described pours intracavitary pressing mold plate unit The direction across bridge width of 3-0, multiple pressing mold plate unit 3-0 are all the same and it is laid on same vertical plane, two neighboring It is reserved with one between the pressing mold plate unit 3-0 and pours a mouthful 3-8, mouthful 3-8 that pours is the two neighboring pressuring template Gap between unit 3-0；

In conjunction with Figure 28, each pressing mold plate unit 3-0 include top board 3-10, left and right two be symmetrically laid in pressure The side template 3-2 of two upper side of plate 3-10 and former and later two be laid in the end template 3-3 above the both ends top board 3-10, two A side template 3-2 is along vertical bridge Xiang Bushe, and two end template 3-3 are along the transverse bridge；The top board 3-10 be arch and its be bent by one piece of straight template of rectangle, the top board 3-10 is to bottom plate at institute's installation position The upper surface of 2-1 carries out molding forming panel；The side template 3-2 and end template 3-3 is folding type template, described Folding type template includes carrying out molding chamfering forming panel 3-4 to chamfering 2-5 and being connected to the top chamfering forming panel 3-4 Top forming panel 3-5；The chamfering forming panel 3-4 and top forming panel 3-5 is straight template, the chamfering at Pattern plate 3-4 is isosceles trapezoid template and its width is gradually increased from the bottom to top, and the top forming panel 3-5 is rectangle mould Plate, the width of the top forming panel 3-5 are identical as the upper width of its connected chamfering forming panel 3-4；The side Top forming panel 3-5 in template 3-2 is to carry out molding forming panel, the end template 3-3 to the side wall of web 2-2 In top forming panel 3-5 be that molding forming panel is carried out to the side wall of the tabula plate segment；

Four top forming panel 3-5 connect into one and are arranged vertically in each pressing mold plate unit 3-0 Cube template, four chamfering forming panel 3-4 connect into a tetragonous cone table in each pressing mold plate unit 3-0 Shape template.

In the present embodiment, each web 2-2 is arranged vertically, each diaphragm plate 2-3 with its company Connect the perpendicular laying of bottom plate 2-1 at place.

Two side template 3-2 are located at the left and right two of top board 3-10 in each pressing mold plate unit 3-0 Upper side, two end template 3-3 are located at the front and back two of top board 3-10 in each pressing mold plate unit 3-0 Above end, the top forming panel 3-5 in the side template 3-2 is arranged vertically, the top in the end template 3-3 The perpendicular laying of top board 3-10 that forming panel 3-5 is connect with it.

In the present embodiment, as shown in Figure 29, Figure 30 and Figure 31, constructed arch ring 2 is constructed using steel arch-shelf 1, described End template 44 is supported on steel arch-shelf 1, and the rear and front end of constructed arch ring 2 is respectively supported on a permanent support 6, it is described forever Long support 6 is armored concrete support.The permanent support 6 is the skewback being supported to the arch rib.

When practice of construction, baseplate reinforcing bar cage is provided in the bottom plate 2-1, the baseplate reinforcing bar cage includes more longitudinal steel Muscle 2-6, the more longitudinal reinforcement 2-6 are laid in from left to right on the same arcuate surface, the more equal edges longitudinal reinforcement 2-6 Vertical bridge Xiang Bushe.

To be fixed easy and fixed, the top board 3-10 of each pressing mold plate unit 3-0 passes through multiple crotches 3-6 is connect with longitudinal reinforcement 2-6, and multiple crotch 3-6 are respectively positioned below connected top board 3-10, each crotch The top of 3-6 is each attached on connected top board 3-10, the lower part of each crotch 3-6 be hooked on one it is described vertical To on reinforcing bar 2-6.

In the present embodiment, the crotch 3-6 is by the molding reinforcing bar crotch of a bar bending.

When practice of construction, pressing mold plate unit 3-0 can be fixed firmly in above the baseplate reinforcing bar cage using crotch 3-6, And ensure that pressing mold plate unit 3-0 is not shifted, and after the completion of the bottom plate 2-1 pouring construction of constructed arch ring 2, without to crotch 3-6 is removed.

In the present embodiment, the top of each crotch 3-6 is extend out to above connected top board 3-10, it is described on Multiple through-holes being pierced by for the top crotch 3-6 are provided on pressing plate 3-10, each top the crotch 3-6 is mounted on stop nut 3-7, the stop nut 3-7 are located above top board 3-10.During practice of construction, the bottom plate 2-1 of constructed arch ring 2 is poured After the completion of construction, only need to remove stop nut 3-7, just can it is easy, quickly pressing mold plate unit 3-0 is removed.

In the present embodiment, the K=4.

When practice of construction, according to specific needs, the value size of K is adjusted accordingly.

In the present embodiment, the end template 44 is made of multiple bottom templates, and multiple bottom templates are arched mold Plate and its laid from left to right along direction across bridge, the length of multiple bottom templates is all the same and each bottom template It is bent by an oblong flat template, the transverse width of the bottom template is 7m~12m, multiple bottom moulds Plate is in parallel laying, and the gap width between the two neighboring bottom template is 1cm~2m, the two neighboring bottom mould Sealant is provided in gap between plate.

In the present embodiment, the bottom template is bamboo slab rubber, and the side template 45 is steel form.It is described when practice of construction Bottom template and side template 45 can also use other types of template.

Before reality is laid with the bottom template, it is in the side that direction across bridge is laid that multiple tracks is first laid on steel arch-shelf 1 Wood, and the wooden unit of support pad uneven thickness adjusts the linear of end template 44 under the lumps of wood.

In the present embodiment, the sealant is the double-sided adhesive being pasted between the two neighboring bottom template or by filling The sealing gel coating that sealant between the two neighboring bottom template in gap is formed.

The end template 44 divides for multiple bottom templates, and between being arranged between the two neighboring bottom template Gap, because discontinuity leads to 44 arching deformation of end template, the two neighboring bottom mould when can effectively prevent concreting The gap being arranged between plate is blocked using the sealant, can effectively prevent spillage.

Inner sidewall upper berth for mortar leakage prevention, the side template 45 is equipped with one layer of waterproof membrane.

In the present embodiment, the folding type template is formed by one piece of rectangular bar of steel plate benging, the chamfering forming panel 3-4 For gradually intilted hang plate from top to bottom.The top board 3-10 is steel plate.Thus, actual processing production is very simple Just.

As shown in figure 26, the height of the top forming panel 3-5 is 8cm~12cm.

In the present embodiment, the height of the top forming panel 3-5 is 10cm.When practice of construction, according to specific needs, The height of top forming panel 3-5 is adjusted accordingly.

Before constructing to constructed arch ring 2, first steel arch-shelf 1 is set up；After the completion of the erection of steel arch-shelf 1, In It is laid with end template 44 on steel arch-shelf 1, and props up vertical side template 45 respectively above the left and right sides of end template 44, while in end template 44 tops bind the baseplate reinforcing bar cage, and lay above the baseplate reinforcing bar cage by multiple pressing mold plate unit 3-0 groups At press moulding mechanism, concrete then is carried out to the bottom plate 2-1 and lower horseshoe 2-7 of constructed arch ring 2 using the press moulding mechanism Pouring construction, the concreting process led to the press moulding mechanism energy simplicity, deck type box arch bridge arch floor is rapidly completed, It can effectively prevent in casting process concrete to flow to the arch springing side of constructed arch ring 2, and be reserved with and pour a mouthful 3-8 and be convenient for Concrete vibrating is closely knit, it can effectively ensure the concrete pouring quality of the bottom plate 2-1 of constructed arch ring 2.Wherein, Mei Gesuo The bottom segment and chamfering 2-5 connected to it for stating web 2-2 form a lower horseshoe 2-7, and each diaphragm plate The bottom segment of segment and chamfering 2-5 connected to it form a lower horseshoe 2-7.Due to the top forming panel 3-5 Height be 10cm, so that the upper level of the lower horseshoe 2-7 of institute's construction molding is higher by 10cm, energy than chamfering 2-5 below Ensure the concrete pouring quality and Forming Quality of each chamfering 2-5, and makes each web 2-2 and each diaphragm plate The construction joint that two-step pouring concrete is formed up and down in segment is located above chamfering 2-5 at the position of 10cm, suffered by the position Shearing and moment of flexure are smaller, and the construction joint in each web 2-2 and each tabula plate segment is made to be located at shearing and moment of flexure At lesser position, thus it can ensure that the web 2-2 of institute's construction molding and Forming Quality and the stress effect of the tabula plate segment Fruit.

The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention In the protection scope of art scheme.

Claims (10)

1. a kind of deck type box arch bridge arch rib construction method, it is characterised in that: constructed Deck Arch Bridges include two width of left and right The arch rib (2) symmetrically laid, arch rib (2) described in a width are arch rib of first constructing, and arch rib described in another width (2) is first to construct to described The rear construction arch rib constructed after the completion of arch rib construction；The rear and front end of arch rib described in every width (2) is respectively supported at one forever On long support (6), the permanent support (6) is armored concrete support, the arch rib (2) along vertical bridge Xiang Bushe and its be reinforcing bar Concrete arch ring；

A girder is laid with right above arch rib described in every width (2)；The rear and front end of each girder is respectively supported at one On a abutment (8), the girder in horizontal layout and it include the middle part beam section (3) and two difference being supported on arch rib (2) Side beam section (4) positioned at middle part beam section (3) front and rear sides, the middle part beam section (3) are connected to two side beam sections (4) Between and three between vertical bridge Xiang Bushe, the middle part beam section (3) and arch rib (2) by it is multiple along vertical bridge to from front to back The vertical upright column (5) of laying is fastenedly connected；It is multiple to being laid with from front to back along vertical bridge below each side beam section (4) The support pier stud (7) being arranged vertically, the support pier stud (7) are Reinforced Concrete Pier Column, each side beam section (4) It is supported on the abutment (8) and multiple support pier studs (7), is supported below each side beam section (4) An abutment (8) and multiple support pier studs (7) form a side beam section support construction；Each girder The side beam section support construction of two of lower section is respectively located at the front side beam section support construction on front side of arch rib (2) and is located at arch Rear side beam section support construction on rear side of rib (2), two permanent supports (6) are respectively before being located at below arch rib (2) front end The permanent support in side and the permanent support of rear side being located at below arch rib (2) rear end；

The abutment (8) is armored concrete abutment, and the vertical upright column (5) is reinforced concrete upright column；Each side The support pier stud (7), each side are provided with below junction between beam section (4) and middle part beam section (3) Abutment (8) and multiple support pier studs (7) in beam section support construction are laid on same vertical plane；

When constructing to constructed Deck Arch Bridges arch rib, comprising the following steps:

Step 1: bridge bottom bracing structure is constructed: to two institutes below the girder each in constructed Deck Arch Bridges It states permanent support (6) and two side beam section support constructions is constructed respectively, obtain all side beam of construction molding Section support construction, the rear side beam section support construction, the permanent support in the front side and the permanent support of the rear side；

Step 2: arch rib is constructed: it is constructed using steel arch-shelf arch rib described in two width of constructed Deck Arch Bridges (2), and Using arch support and traverse displacement unit to the steel arch-shelf be supported with it is traversing；

The steel arch-shelf is the arch support frame (100) constructed to arch rib (2), the rear and front end difference of the arch rib (2) It is supported on a permanent support (6), the permanent support (6) is armored concrete support；The arch rib (2) is along vertical bridge to cloth And if it is armored concrete arch ring, the arch rib (2) is supported in the surface of arch support frame (100), the arch support Frame (100) is along vertical bridge Xiang Bushe；

The arch support and traverse displacement unit include the translating device translated along direction across bridge to arch support frame (100), a left side Right two symmetrical to lay and the lifting device moved up and down to arch support frame (100) and left and right two is symmetrical lays and right The steel arch-shelf support that arch support frame (100) is supported, each steel arch-shelf support are respectively positioned on arch rib described in a width (2) Underface；One of transverse distribution beam, the transverse distribution beam are provided with below the rear and front end of the arch support frame (100) In horizontal layout and its along the transverse bridge；The rear and front end bottom of the arch support frame (100) is mounted on a transverse direction Mounting base, it is described be transversely mounted seat in horizontal layout and its along the transverse bridge, transverse distribution beam described in per pass is mounted on one A bottom is transversely mounted described in a；

Each steel arch-shelf support includes the interim skewback that former and later two are symmetrically laid, and two interim skewbacks are along cross Bridge Xiang Bushe and the two are respectively for the preceding support of arch support frame (100) front support and for arch support frame (100) rear end The rear support of support；

Each interim skewback is L shape support (30)；The L shape support (30) includes a horizontal seat (30-1) and one A vertical support (30-2) for being laid in horizontal seat (30-1) outer upper side, the horizontal seat (30-1) and vertical support (30-2) along the transverse bridge and both for armored concrete support, horizontal seat (30-1) in each interim skewback It pours and is integrated with vertical support (30-2)；It is provided with M on each horizontal seat (30-1) and is laid in same vertical plane On vertical groove (31), the structure snd size of M vertical grooves (31) are all the same and it is along direction across bridge cloth from left to right If；Wherein, M is positive integer and M >=3；Each vertical groove (31) is cube tray；M in each interim skewback A vertical groove (31) is respectively positioned on the inside of vertical support (30-2)；

The preceding support composition front side support of two steel arch-shelf supports, the rear support of two steel arch-shelf supports Composition rear side support；In the front side support all vertical grooves (31) be laid in same level and its along direction across bridge by Left-to-right is laid on same vertical plane, in the rear side support all vertical grooves (31) be laid in same level and It is laid on same vertical plane from left to right along direction across bridge；

Each lifting device is laid on the steel arch-shelf support；Each lifting device includes front and back two A elevating mechanism symmetrically laid is laid with the elevating mechanism on each interim skewback；Each lifting Mechanism includes N number of vertical jack (32) being laid in from left to right on same vertical plane along direction across bridge, and N number of described vertical thousand The structure snd size on jin top (32) are all the same and it is laid in same level, and the vertical jack (32) is in vertical To the hydraulic jack of laying；Wherein, N is positive integer and 2≤N≤M；Each vertical jack (32) is laid in one In the vertical groove (31)；

All vertical jack (32) on the front side support be laid in same level and its along direction across bridge by it is left extremely The right side is laid on same vertical plane, all vertical jack (32) composition front sides jacking apparatus on the front side support；It is described All vertical jack (32) on rear side support are laid in same level and it is laid in from left to right along direction across bridge All vertical jack (32) composition rear side jacking apparatus on same vertical plane, on the rear side support；The front side jacking Device is located at the underface of the transverse distribution beam together, and the rear side jacking apparatus is located at transverse distribution beam described in another road Underface；All vertical jack (32) on each steel arch-shelf support form one and carry out to arch support frame (100) The steel arch-shelf jacking apparatus of synchronization of jacking up；

The translating device includes being transversely mounted the translation slideway (33) that seat is translated described in former and later two symmetrical layings and confession The cross sliding driving device translated with former and later two synchronous drive arch support framves (100) along direction across bridge, two described traversing Driving device is symmetrically arranged, the translation slideway (33) in horizontal layout and its along the transverse bridge；Each traversing drive Dynamic device includes a pushing tow jack (41) along direction across bridge to the horizontal pushing tow of the transverse distribution beam carry out, the pushing tow Jack (41) in horizontal layout and its along the transverse bridge；Each pushing tow jack (41) is divided with the transverse direction together It is laid on same vertical plane with beam, pushing tow jack (41) support top is in the transverse distribution being located on same vertical plane Liang Shang；

Two translations slideway (33) are respectively the front side slideway being installed on the front side support and are installed on the rear side Rear side slideway on support；It is mounted on the inner sidewall of each vertical support (30-2) described in a confession and is transversely mounted seat The horizontal slide translated, the horizontal slide is along the transverse bridge and it is located at described be transversely mounted below seat；Before described The horizontal slide installed on two vertical supports (30-2) in collateral seat is laid on same level straight line and the two The front side slideway is formed, the horizontal slide installed on two vertical supports (30-2) in the rear side support is laid In on same level straight line and the two forms the rear side slideway；

When being constructed using steel arch-shelf arch rib described in two width of constructed Deck Arch Bridges (2), process is as follows:

Step 201, the construction of steel arch-shelf support: the arch is supported and is applied with two in the traverse displacement unit steel arch-shelf supports Work obtains the front side support and the rear side support of construction molding；

Step 202, translation slideway and lifting device are installed: after the completion of the front side support and rear side support construction, In A translation slideway (33) is installed respectively on the front side support and the rear side support of construction molding；Meanwhile it being constructed into The lifting device is installed respectively on the steel arch-shelf support of two of type；

Step 203, steel arch-shelf are assembled: carrying out assembly to arch support frame (100), and make assembled molding arch support frame (100) it is located at the underface of the arch rib of first constructing, while is supported in assembled molding arch support frame (100) and described first applying On a lifting device immediately below work arch rib, and arch support frame (100) rear and front end is made to be respectively supported at an institute It states on elevating mechanism；

Step 204, the jacking of arch support frame: use is supported in the lifting device below arch support frame (100) for arch Support frame (100) jacks straight up, until by arch support frame (100) jacking to the construction location of the arch rib of first constructing Place；

Step 205, the first construction of construction arch rib: it props up stood for the elder generation that constructs on the arch support frame (100) in step 204 The forming panel of construction arch rib, and constructed using the forming panel to the first construction arch rib；

Step 206, the decentralization of arch support frame: after the completion of arch rib of first constructing described in step 205 construction, using being supported in arch branch The lifting device or vertically movable device below support (100) carry out arch support frame described in step 204 (100) Vertical decentralization, until the rear and front end of the arch support frame (100) is respectively supported on the translation slideway (33)；

Step 207, cross sliding driving device installation: former and later two described cross sliding driving devices are installed respectively, are installed The translating device completed, and make in the translating device each pushing tow jack (41) with arch support frame (100) the transverse distribution beam together in is laid on same vertical plane, and pushing tow jack (41) support top is being located at together On the transverse distribution beam on one vertical plane；

Step 208, arch support frame are traversing: synchronous along direction across bridge using former and later two described cross sliding driving devices in step 208 Drive arch support frame (100) to translate to construction arch rib side after described, until by arch support frame (100) be moved to it is described after The underface of construction arch rib, while arch support frame (100) being made to be supported in a liter immediately below the rear construction arch rib On falling unit, and it is respectively supported at arch support frame (100) rear and front end on one elevating mechanism；

Step 209, the jacking of arch support frame: use is supported in the lifting device below arch support frame (100) for arch Support frame (100) jacks straight up, until by arch support frame (100) jacking to the construction location of the rear construction arch rib Place；

Step 210, rear construction arch rib construction: in step 209 on the arch support frame (100) branch stand for construct it is described after Construct the forming panel of arch rib, and constructed using the forming panel to construction arch rib after described, completion construct on hold The work progress of arch rib (2) described in two width of formula arch bridge；

Step 211, arch support frame are removed: being removed to arch support frame described in step 210 (100).

2. a kind of deck type box arch bridge arch rib construction method described in accordance with the claim 1, it is characterised in that: in step 205 Construction arch rib construction, first constructs to the bottom plate of arch rib (2) after carrying out when first construction arch rib is constructed and in step 210；

The structure of forming panel described in step 205 neutralization procedure 210 is identical and the two includes positioned at the bottom of arch rib (2) bottom Two side templates (45) symmetrically laid of template (44) and left and right, the end template (44) are arch template, two side forms Plate (45) is arranged vertically and the two is supported on end template (44)；

Before constructing in step 205 neutralization procedure 210 to the bottom plate of arch rib (2), pressure is first laid above end template (44) Mold mechanism, the press moulding mechanism are located between two side templates (45)；

The arch rib (2) be box beam and it include bottom plate (2-1), the top plate (2-4) being located at right above bottom plate (2-1), K by a left side The web (2-2) and multiple diaphragm plates (2-3) being laid on bottom plate (2-1) from front to back being laid on bottom plate (2-1) to the right side, The bottom plate (2-1), top plate (2-4) and web (2-2) are armoured concrete slab, and the diaphragm plate (2-3) is concrete slab； Wherein, K is positive integer and K >=3；The bottom plate (2-1) and top plate (2-4) are arch, multiple webs (2-2) and multiple The diaphragm plate (2-3) is supported between bottom plate (2-1) and top plate (2-4), the structure snd size of multiple webs (2-2) All the same and it is along vertical bridge Xiang Bushe, multiple webs (2-2) are arranged vertically, in multiple webs (2-2) Web (2-2) positioned at the leftmost side is left web, and the web (2-2) that the rightmost side is located in multiple webs (2-2) is the right side Coxostermum, all webs (2-2) in constructed arch ring (2) in addition to the left web and the right web are midfield Plate, the quantity of median ventral plate described in constructed arch ring (2) are K-2；Multiple diaphragm plates (2-3) along the transverse bridge and It is arranged vertically, and each diaphragm plate (2-3) is all connected between the left web and the right web；Often A diaphragm plate (2-3) is divided into K-1 tabula plate segment, each tabula plate segment by the K-2 median ventral plates It is respectively positioned between the two neighboring web (2-2)；Cavity between the two neighboring web (2-2) passes through multiple described Tabula plate segment be divided into from front to back it is multiple pour chamber, the chamber that pours is respectively positioned on the two neighboring diaphragm plate in front and back Between segment；Between each web (2-2) and bottom plate (2-1) and each tabula plate segment and bottom plate (2-1) it Between be provided with chamfering (2-5)；

The press moulding mechanism includes K-1 column pressuring template, pressuring template described in each column be respectively positioned on the two neighboring web (2-2) it Between；Pressuring template described in each column includes multiple pressuring templates being laid on same vertical plane from front to back, each pressuring template Pour intracavitary described in being respectively positioned on one, each described pour intracavitary is provided with the pressuring template；

Each pressuring template includes that multiple be laid in from front to back same described pours intracavitary pressing mold plate unit (3- 0), the direction across bridge width of multiple pressing mold plate units (3-0) is all the same and it is laid on same vertical plane, two neighboring It is reserved with one between the pressing mold plate unit (3-0) to pour mouth (3-8), pour mouth (3-8) is two neighboring described Gap between pressing mold plate unit (3-0)；

Each pressing mold plate unit (3-0) is symmetrically laid in top board (3-10) including top board (3-10), left and right two The side template (3-2) of two upper sides and former and later two be laid in the end template (3-3) above the both ends top board (3-10), two A side template (3-2) is along vertical bridge Xiang Bushe, and two end templates (3-3) are along the transverse bridge；On described Pressing plate (3-10) be arch and its be bent by one piece of straight template of rectangle, the top board (3-10) is to institute's installation position The upper surface for locating bottom plate (2-1) carries out molding forming panel；The side template (3-2) and end template (3-3) are curved Folding template, the folding type template include carrying out molding chamfering forming panel (3-4) to chamfering (2-5) and being connected to chamfering The top forming panel (3-5) on the top forming panel (3-4)；The chamfering forming panel (3-4) and top forming panel (3-5) It is straight template, the chamfering forming panel (3-4) is isosceles trapezoid template and its width is gradually increased from the bottom to top, described Top forming panel (3-5) is rectangle template, the width of the top forming panel (3-5) and its connect chamfering shaping mould The upper width of plate (3-4) is identical；Top forming panel (3-5) in the side template (3-2) is the side to web (2-2) Wall carries out molding forming panel, and the top forming panel (3-5) in the end template (3-3) is to the tabula plate segment Side wall carry out molding forming panel；

Four top forming panels (3-5) connect into one and are arranged vertically in each pressing mold plate unit (3-0) Cube template, in each pressing mold plate unit (3-0) four chamfering forming panels (3-4) connect into one it is tetragonous Taper type template.

3. a kind of deck type box arch bridge arch rib construction method according to claim 1 or 2, it is characterised in that: the arch Shape support frame (100) is for an assembling type steel arch (1) or by multiple assembling type steel arches laid from left to right along direction across bridge (1) assembled, each assembling type steel arch (1) is an arched frame, the equal edge of each assembling type steel arch (1) It indulges bridge Xiang Bushe and it is spliced along vertical bridge to the arch assembly segment (1-1) laid from front to back from multiple；

When carrying out steel arch-shelf assembly in step 203, carried out using arch assembly device assembled；

The arch assembly device includes the cable crane lifted to the arch assembly segment (1-1) of assembling type steel arch (1) Machine and the arch moved one by one to arch assembly segment (1-1) are segmented transfer device；

The arch segmentation transfer device includes the assembled segment movement being horizontally moved one by one to arch assembly segment (1-1) What device and the confession assembled segment mobile device moved horizontally moves horizontally channel, and the channel that moves horizontally is in horizontal layout And it is along vertical bridge Xiang Bushe；

The channel that moves horizontally is laid in the rear side beam section support construction in the arch rib dead astern of first constructing, the elder generation The rear side beam section support construction in construction arch rib dead astern is movable passageway support construction；The channel that moves horizontally includes one A longitudinal support beam (3-1) being supported in the movable passageway support construction, the assembly segment mobile device is an energy Be moved forward and backward in longitudinal support beam (3-1) and drives moved arch assembly segment (1-1) to synchronize in moving process Mobile horizontally moving device, the longitudinal support beam (3-1) is in horizontal layout and it is along vertical bridge Xiang Bushe；It is described to move horizontally Device is laid on longitudinal support beam (3-1), and moved arch assembly segment (1-1) is supported horizontally on the horizontally moving device On；The rear end of the longitudinal support beam (3-1) is the abutment support being supported in the movable passageway support construction on abutment (8) End, the front end of the longitudinal support beam (3-1) are lifting end；It is provided on the lifting end of the longitudinal support beam (3-1) to institute State the Horizontal limiting part (9) that horizontally moving device is limited；

The cable crane include former and later two pylons (17), the working cable (17-8) being installed on two pylons (17) and It can carry out being moved forward and backward and to the trolley that arch assembly segment (1-1) is lifted, the lifting along working cable (17-8) Trolley is mounted on working cable (17-8) and it is located between two pylons (17), and the trolley is first applied positioned at described Above work arch rib；Two pylons (17) and first construction arch rib and the longitudinal support beam (3-1) are respectively positioned on same vertical plane On, two pylons (17) are respectively after being located at the preceding pylon on front side of the arch rib of first constructing and being located at the arch rib of first constructing The tail tower of side；

It is preceding pier stud, the longitudinal support beam (3-1) that support pier stud (7) is located on the foremost side in the rear side beam section support construction Lifting end be located on front side of the tail tower, the lifting end of the longitudinal support beam (3-1) is supported on the preceding pier stud, described Longitudinal support beam (3-1) is the horizontal shore passed through in the middle part of the tail tower；The tail tower and the preceding pier stud prop up It supports on the permanent support of the rear side, the preceding pier stud is located on front side of the tail tower；

The rear side beam section support construction before carrying out steel arch-shelf assembly in step 203, in the arch rib dead astern of first constructing Channel is moved horizontally described in upper construction, and moves horizontally the channel installation assembled segment mobile device described, is constructed The arch completed is segmented transfer device；Meanwhile it constructing to the cable crane, and by the institute in the cable crane It states on the permanent support of the rear side that tail tower is supported on rear side of the arch rib of first constructing；

When carrying out assembled to arch support frame (100) in step 203, by elder generation to rear all spellings in arch support frame (100) Dress formula steel arch-shelf (1) carries out assembly respectively, and the assembling method of all assembling type steel arches (1) is homogeneous in arch support frame (100) Together；

When carrying out assembled to arch support frame (100), comprising the following steps:

Step A1, side joggle truss is assembled: to two institutes of one in arch support frame (100) the assembling type steel arch (1) It states side joggle truss and carries out symmetrical assembly；

When carrying out assembled any one described side joggle truss, from the bottom to top to the multiple arches for forming the side joggle truss Frame assembly segment (1-1) carries out assembly, and process is as follows:

Step A11, transfer device first arch assembly section assembling: is segmented for current assembled arch using the arch Assembled segment (1-1) translates forward to the front end for moving horizontally channel, then uses described of the cable crane Weight trolley lifts arch assembly segment (1-1) and is transferred in place, and current institute assembly arch assembly segment (1-1) is completed Assembled process；

In this step, current assembled arch assembly segment (1-1) is one for being located at bottommost in the side joggle truss Arch assembly segment (1-1)；

Step A12, transfer device upper arch assembly section assembling: is segmented for a upper assembled arch using the arch Frame assembly segment (1-1) is translate forward to the front end for moving horizontally channel, then using the described of the cable crane Trolley lifts arch assembly segment (1-1) and is transferred in place, while the arch assembly segment (1- by decentralization in place 1) it is connect with the arch assembly segment (1-1) being disposed below and assembly is completed, completes current institute's assembly arch assembly segment The assembled process of (1-1)；

Step A13, one or many to repeat step A12, complete all arch assembly segment (1-1) in the side joggle truss Assembled process obtains the assembled side joggle truss completed；

Step A2, vault splices section assembling: two side joggle trusses of formula steel arch-shelf (1) to be assembled are assembled to be completed Afterwards, using the arch segmentation transfer device by vault splicing segment (1-01) translate forward to it is described move horizontally channel before End top, then vault splicing segment (1-01) is lifted and transferred to using the trolley of the cable crane Position, while vault splicing segment (1-01) of decentralization in place being connect with the assembled two side joggle trusses completed, it is complete At the process of closing up of assembling type steel arch (1), an assembled molding assembling type steel arch (1) is obtained；

Step A3, judgement is completed in the assembly of arch support frame: being judged whether arch support frame (100) is assembled and is completed, works as arch support When frame (100) assembly is completed, the assembled process of arch support frame (100) is completed, enters step 204；Otherwise, A4 is entered step；

Step A4, next assembling type steel arch is assembled: according to method described in step A1 to step A2, to arch support frame (100) next assembling type steel arch (1) in carry out it is assembled, and will be in current assembled assembling type steel arch (1) Each arch assembly segment (1-1) is connect with the assembling type steel arch (1) that assembly is completed at this time；

Step A5, judgement is completed in the assembly of arch support frame: being judged whether arch support frame (100) is assembled and is completed, works as arch support When frame (100) assembly is completed, the assembled process of arch support frame (100) is completed, enters step 204；Otherwise, return step A4.

4. a kind of deck type box arch bridge arch rib construction method according to claim 1 or 2, it is characterised in that: step 2 Described in arch support and traverse displacement unit further include two fall girder apparatus symmetrically laid in left and right, each fall girder apparatus is uniformly distributed On a steel arch-shelf support；Each fall girder apparatus includes the Luo Liang mechanism that former and later two are symmetrically laid, often The Luo Liang mechanism is laid on a interim skewback；Each Luo Liang mechanism include H along direction across bridge by The temporary support that left-to-right is laid on same vertical plane and is supported in decentralization process to the steel arch-shelf, the temporary branch Seat is arranged vertically, and the structure snd size of the H temporary supports are all the same and it is laid in same level；Its In, H is positive integer and H≤M；Each temporary support is laid in the vertical groove (31)；

All temporary supports on the front side support are laid in same level and it lays from left to right along direction across bridge In on same vertical plane, all temporary support composition front sides on the front side support fall beam support；On the rear side support All temporary supports are laid in same level and it is laid on same vertical plane from left to right along direction across bridge, after described All temporary support composition rear sides on collateral seat fall beam support；The front side falls beam support and is located at the transverse distribution beam together Underface, the rear side falls the underface that beam support is located at transverse distribution beam described in another road；Each steel arch-shelf support On all temporary supports form a steel arch-shelf that support is synchronized to the steel arch-shelf and fall beam support；

The temporary support is sand cylinder (34) or sandbox；

In step 204 arch support frame jacking after the completion of, to be located at it is described first construct arch rib immediately below the fall girder apparatus into Row installation, and it is respectively supported at the rear and front end of arch support frame (100) in one Luo Liang mechanism；Later, it will support The lifting device below arch support frame (100) is removed；

Vertically movable device described in step 206 is the fall girder apparatus；

When carrying out the decentralization of arch support frame in step 206, the fall girder apparatus being supported in below arch support frame (100) is utilized Arch support frame described in step 204 (100) is transferred vertically；

In step 209 arch support frame jacking after the completion of, to be located at it is described after construction arch rib immediately below the fall girder apparatus into Row installation, and it is respectively supported at the rear and front end of arch support frame (100) in one Luo Liang mechanism；Later, it will support The lifting device below arch support frame (100) is removed.

5. a kind of deck type box arch bridge arch rib construction method according to claim 1 or 2, it is characterised in that: step 2 Described in former and later two arch springings of arch support frame (100) be respectively supported on an arch hinged seat (20), the arch hinge Joint chair (20) is transversely mounted seat described in being, the transverse distribution beam is the skewback beam for being installed on arch hinged seat (20) bottom (23)；The arch support frame (100) is arranged vertically and it is along vertical bridge Xiang Bushe；

The arch support frame (100) includes former and later two arch springing segments (1-100) for symmetrically laying and is connected to described in two Load-bearing steel arch-shelf between arch springing segment (1-100), the load-bearing steel arch-shelf and two arch springing segments (1-100) are along vertical Bridge Xiang Bushe；

The bottom of two arch springing segments (1-100) is provided with the transverse direction being supported horizontally on arch hinged seat (20) Steel pipe (1-11), it is described transverse direction steel pipe (1-11) in horizontal layout and its along the transverse bridge, it is described transverse direction steel pipe (1-11) be Round steel pipe；Each lateral steel pipe (1-11) is supported on the arch hinged seat (20), each transverse direction It is attached in hinged way between steel pipe (1-11) and its arch hinged seat (20) supported；

The arch hinged seat (20) includes the horizontally-supported seat being supported on skewback beam (23) and is supported in the level Supporting steel plate (20-1) on support base, the horizontally-supported seat and supporting steel plate (20-1) are in horizontal layout and the equal edge of the two Direction across bridge is laid；The cross section of the supporting steel plate (20-1) is arc, and each lateral steel pipe (1-11) is supported in one On a supporting steel plate (20-1), the supporting steel plate (20-1) that each lateral steel pipe (1-11) is supported with it is in coaxial cloth If the supporting steel plate (20-1) is located at the outer side-lower for supporting lateral steel pipe (1-11).

6. a kind of deck type box arch bridge arch rib construction method described in accordance with the claim 3, it is characterised in that: described first to construct Two abutments (8) below arch rib are respectively the preceding abutment being supported in below the girder front end and are supported in the girder Rear abutment below rear end, anchor ingot (15-1) before being provided with immediately ahead of the preceding abutment, it is described after abutment dead astern setting There is rear anchor ingot (15-2)；

Two side joggle trusses are respectively to be located at vault to splice the front side assembly frame on front side of segment (1-01) and be located at vault Splice the rear side assembly frame on rear side of segment (1-01)；

Arch temporary securing mechanism is provided on each pylon (17), the arch temporary securing mechanism includes left and right two Group is symmetrically arranged and to the knotted rope (17-10) that the arch assembly segment (1-1) lifted in place is fixed temporarily, every group of institute Knotted rope (17-10) is stated to be laid on same vertical plane with a vertical supporting frame (17-1)；Knotted rope (17- described in every group It 10) include that multiple tracks is from top to bottom laid in the knotted rope (17-10) on same vertical plane, equal edge knotted rope (17-10) described in multiple tracks Vertical bridge Xiang Bushe；

It is from top to bottom laid on each vertical supporting frame (17-1) in the cable crane multiple for knotted rope (17-10) The knotted rope pulley (17-11) of installation, all knotted rope pulleys (17-11) laid on each vertical supporting frame (17-1) are equal On same vertical plane, knotted rope described in per pass (17-10) is installed on the knotted rope pulley (17-11)；

The front end of knotted rope described in per pass (17-10) is each attached in the rear side assembly frame one and has been lifted into the tail tower On the arch assembly segment (1-1) of position, the rear end of knotted rope described in per pass (17-10) is each attached to rear anchor ingot in the tail tower On (15-2)；

The rear end of knotted rope (17-10) described in per pass is each attached to an arch in the front side assembly frame in the preceding pylon On assembled segment (1-1), before the front end of knotted rope (17-10) described in per pass is each attached in the preceding pylon on anchor ingot (15-1)；

In step A12 by decentralization arch assembly segment (1-1) in place be disposed below and the assembled arch completed is assembled After the connection of segment (1-1), also need through the knotted rope (17-10) together to arch assembly segment (1- assembled in this step 1) it is fixed temporarily.

7. a kind of deck type box arch bridge arch rib construction method described in accordance with the claim 3, it is characterised in that: each tower Frame (17) includes assembling type frame body, and the assembling type frame body includes the two vertical supporting framves (17-1) symmetrically laid in left and right； Two vertical supporting framves (17-1) are supported on the permanent support of the rear side in the tail tower, two in the tail tower A vertical supporting frame (17-1) is symmetrically laid in the left and right sides for moving horizontally channel, two institutes in the tail tower The clear distance for stating vertical supporting frame (17-1) is greater than the width for moving horizontally channel；

Each pylon (17) further includes the tower mount (17-3) for assembling type frame body bottom installation, the pylon bottom Seat (17-3) in horizontal layout and its along the transverse bridge, the assembling type frame body be located at tower mount (17-3) surface；

Each vertical supporting frame (17-1) bottom is provided with the tripod (17-4) being installed on tower mount (17-3), It is attached in hinged way between the tripod bottom (17-4) and the tower mount (17-3) being disposed below；Each institute It states and is provided with one of bottom distribution beam (17-7) immediately below tower mount (17-3), the bottom distribution beam (17-7) is in level Lay and its along the transverse bridge；Bottom distribution beam (17-7) positioned at the tail tower bottom is fixed on the rear side and permanently props up On seat, the bottom distribution beam (17-7) positioned at the preceding tower bottom is fixed on the permanent support in the front side.

8. a kind of deck type box arch bridge arch rib construction method according to claim 1 or 2, it is characterised in that: step 206 When middle progress arch support frame is transferred, it is strong to reach design to institute's casting concrete intensity in arch rib of first constructing described in step 205 After 90% or more of degree, then arch support frame described in step 204 (100) is transferred vertically；

When carrying out the dismounting of arch support frame in step 211, institute's casting concrete intensity in arch rib of constructing after described in step 210 After reach design strength 90% or more, then arch support frame (100) is removed.

9. a kind of deck type box arch bridge arch rib construction method described in accordance with the claim 3, it is characterised in that: the pylon (17) cable saddle (21) for working cable (17-8) installation is provided on each vertical supporting frame (17-1)；

The quantity of the working cable (17-8) is twice, working cable (17-8) described in twice along vertical bridge Xiang Bushe and the two it is symmetrical It is laid in above the left and right sides of the arch rib of first constructing；It is mounted on described in former and later two on working cable described in per pass (17-8) Trolley, two trolleys are respectively positioned between two pylons (17)；It is risen described in four in the cable crane The hanging apparatus that weight trolley group pairs of arch assembly segment (1-1) is lifted；

Working cable described in twice (17-8) respectively left side working cable and the right side working cable on the right side of the left side working cable, Two vertical supporting framves (17-1) in each pylon (17) be respectively Left-side support frame and be located at the left side branch Right side support frame on the right side of support；The left side working cable is supported on the Left-side support frame of two pylons (17), The right side working cable is supported on the Right side support frame of two pylons (17)；

When carrying out first arch assembly section assembling in step A11 and an arch assembly segment is carried out in step A12 to spell When dress, it is all made of the arch segmentation transfer device and translates forward current assembled arch assembly segment (1-1)；Work as arch When the front end of assembled segment (1-1) is moved to above the preceding pier stud, moved arch assembly segment (1-1) enters the cable Preceding sport car (21) is connect by the lifting region of loop wheel machine with the front end of moved arch assembly segment (1-1) at this time, sport car before completing (21) front end moved arch assembly segment (1-1) is lifted；The arch segmentation transfer device is recycled to spell arch Segment (1-1) is filled along vertical bridge to continuing to move along, until the front end of moved arch assembly segment (1-1) is moved to described After above preceding pier stud, rear sport car (22) is connect with the rear end of moved arch assembly segment (1-1), sport car (22) is right after the completion The rear end moved arch assembly segment (1-1) is lifted；After behind sport car (22) and moved arch assembly segment (1-1) After the connection of end, lifting process of the hanging apparatus to arch assembly segment (1-1) of the cable crane is completed, then pass through institute Arch assembly segment (1-1) is lifted and is transferred in place by the hanging apparatus for stating cable crane.

10. a kind of deck type box arch bridge arch rib construction method according to claim 1 or 2, it is characterised in that: step When carrying out the dismounting of arch support frame in 211, device is removed using steel arch-shelf, arch support frame (100) is removed；

Arch rib described in two width (2) is the box beam of crossing river channel (51)；

It includes that the arch assembly segment (1-1) of removed arch support frame (100) is driven to carry out water that the steel arch-shelf, which removes device, Horizontal shifting platform, the drive water that translation is moved and removes arch assembly segment (1-1) below the rear construction arch rib Translation moving platform carries out mobile platform moving mechanism and is vertically transferred to arch assembly segment (1-1) and arch is assembled It transfers to the arch discharging mechanism on the horizontal shifting platform segment (1-1)；Each arch assembly segment (1-1) is logical Excessive root hanger bar (53) fastening is suspended to it is described after below construction arch rib, the every hanger bar (53) with its laid position The perpendicular laying of bottom plate for locating the rear construction arch rib is set, is reserved on the bottom plate for arch rib of constructing after described multiple for hanger bar (53) mounting hole installed；

The arch discharging mechanism includes the hoisting mechanism (52) that multiple pairs of transferred arch assembly segments (1-1) are lifted, Multiple hoisting mechanisms (52) are respectively positioned on the rear construction arch rib, and each hoisting mechanism (52) and transferred arch are spelled It is attached by lifting rope (55) between dress segment (1-1)；

The horizontal shifting platform is the floatation type platform (54) floated on river (51), and the floatation type platform (54) is located at Below arch support frame (100)；The platform moving mechanism includes being located on the left of arch support frame (100) and driving floatation type flat The left side mobile mechanism (47) and be located on the right side of arch support frame (100) and drive floatation type platform (54) that platform (54) is moved to the left The right side mobile mechanism (48) to move right, the left side mobile mechanism (47) and right side mobile mechanism (48) are electronic elevator Machine；Between on the left of the left side mobile mechanism (47) and floatation type platform (54) and right side mobile mechanism (48) puts down with floatation type It is attached by drawstring (49) between on the right side of platform (54).