CN206815197U - A kind of prestress anchoraging angle-table bracket construction of mass concrete construction of encorbelmenting - Google Patents

A kind of prestress anchoraging angle-table bracket construction of mass concrete construction of encorbelmenting Download PDF

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Publication number
CN206815197U
CN206815197U CN201720620864.2U CN201720620864U CN206815197U CN 206815197 U CN206815197 U CN 206815197U CN 201720620864 U CN201720620864 U CN 201720620864U CN 206815197 U CN206815197 U CN 206815197U
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China
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construction
steel
boom
angle
montant
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CN201720620864.2U
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Chinese (zh)
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蒋昌盛
蒙幸
何崇雄
韦大川
何青龙
陆保佐
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广西路建工程集团有限公司
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Abstract

It the utility model is related to a kind of field of bridge pier angle-table bracket structure, the prestress anchoraging angle-table bracket construction and its construction method of a kind of mass concrete construction of encorbelmenting are disclosed, the construction includes triangular truss structure, shearing groove, prestressing apparatus and horizontal-associate structure;It is described to shear corresponding fixed installation triangular truss structure on groove according to several pre-buried symmetrical shearing grooves of design requirement on concrete bodies both sides;And it is connected two-by-two between symmetrical triangular truss structure by prestressing apparatus through the prestressing force passage in concrete bodies;Horizontal-associate structure is installed between homonymy two triangular truss structures adjacent to each other;Ultimately form a stable overall load for undertaking top mass concrete construction.The utility model has more convenient, overall structure stabilization of constructing relative to traditional full framing or conventional pre-buried bracket;Construction safety, standardization can be realized, the features such as being easier to have enough to meet the need, reduce construction cost, be pollution-free.

Description

A kind of prestress anchoraging angle-table bracket construction of mass concrete construction of encorbelmenting
Technical field
It the utility model is related to a kind of field of bridge pier angle-table bracket structure, specially one kind mass concrete of encorbelmenting is applied The prestress anchoraging angle-table bracket construction and its construction method of work, tall and big No. 0 block of rigid frame bridge or 1 are particularly suitable for rigid frame bridge Number block is encorbelmented mass concrete construction and other architectural engineering concrete cantilever constructions.
Background technology
As highway foundation is implemented gradually to be drive on boldly to high and steep mountains mountain area from plains region or micro- mound area, and in Chong Shanjun Built in ridge the most economical method of highway be using large span rigid frame bridge even using continuous rigid frame bridge as design come Across deep big cheuch, so that rigid frame bridge is increasing in the ratio that highway accounts for, while rigid frame bridge is in beam, pier(Tower)With reference to portion Generally there is the concrete of encorbelmenting of large volume position, and the construction bracket load bearing system of this part of concrete is meeting current routine It is how further economical, efficient, safe and environment-friendly on the basis of construction, it is individual the problem of needing thinking.
At present, China mainly uses raft support method and pre-buried bracket method in No. 0 block, No. 1 block construction of rigid frame bridge.By In the volume of concrete is big, weight is big, requirement of the raft support method to ground is also very high, and early fallout and later stage are not Uniform settlement can all bring immeasurable destruction to concrete.It is past and pre-buried bracket method needs substantial amounts of Site Welding operation It is not fine toward Site Welding condition(Influence, the influence of high-altitude construction such as strong wind weather, the Unpredictability of vertical position welding operation Deng), cause built-in fitting to leave hidden danger of quality, so as to cause the weight bearing power of bracket to decline, deflection increase, finally influence coagulation Soil property amount and site operation safety.
And the cost that raft support method and pre-buried both common methods of bracket method are once set up is very high, if will week Cost can more increase if turning use, include transport, installation, the dismounting of lot of materials, it is impossible to solve at all it is easy for installation, it is lossless Turnover.And security risk is very big.
Chinese patent literature through retrieving relevant angle-table bracket construction has, and it is as follows now to enumerate some:
1st, Chinese patent<Application number>201620376336.2<Utility model title>A kind of assembled bracket structure<Application People>Guizhou Co., Ltd of bridge construction group<Address>The 550001 Hong Xiang mansions of Yan'an Medium Road, Guiyang City, Guizhou Province 1< Inventor>Wang Qian, Tan Jiguang, Ou Yangbin, Luo Wenxiu<Summary>The utility model discloses a kind of assembled bracket structure, assembling Formula bracket is arranged on pier stud both sides, and it is installed in the built-in groove on pier shaft, and essence bundle spiral is through assembled bracket and in advance After burying the preformed hole being provided with groove, it is fixed in built-in groove, the assembled bracket includes item plate, and item plate both ends are connected with Left plate and right plate, it is provided with left and right side plate and penetrates hole, left plate bottom is connected with bottom plate, and the bottom plate other end is through oblique Surface side plate is connected with right plate, is also included essence and is pricked spiral, whole assembled bracket forms 1 class inverted trapezoidal structure, made Used time, bottom plate are fully seated on the bottom surface of built-in groove.O number sections are built using the supporting structure for being provided with assembled bracket It is safe if reducing security risk, and bridge quality more can guarantee that, while supporting structure is simple with respect to 3, reduces Construction cost, the duration can shorten 15 days in 10 number section process of construction, and expense can save up to 120,000.
2nd, Chinese patent<Application number>200720200918.6<Utility model title>Assembled steel bracket<Applicant>It is expensive Science of bridge building parent company of state province<Address>550001 26 building, the Hong Xiang mansions of Yan'an Medium Road, Guiyang City, Guizhou Province 2 Guizhou Province's bridges Engineering parent company General Engineer's Office<Inventor>Huang Sheng, Liu Zhi<Summary>The utility model discloses a kind of assembled steel bracket, and it is wrapped Finish rolling deformed bar (1) is included, steel corbel (2), steel corbel (2) insertion built-in groove (3) are connected with finish rolling deformed bar (1) It is interior.Steel corbel of the present utility model is installed using pre-buried finish rolling deformed bar and stress, and easy for installation, support force is big. Brace groove can also be produced in steel corbel bottom, brace groove is stuck on the lower notch of built-in groove, passes through brace groove Mitigate the pressure that steel corbel is born, improve steel corbel stress.Compared with the existing technology, the utility model have it is simple in construction, Easy for installation, the advantages that using effect is good.
3rd, Chinese patent<Application number>201410100300.7<Utility model title>Assembled architecture is without bracket concrete Joist steel column connected node<Applicant>Seventh Bureau Of Engineering Seventh China Architectural Co., Ltd<Address>450000 Zhengzhou City Henan Provinces city east Road 108<Inventor>Jiao Anliang, Zhang Peng, Huang Yanzheng, Zhang Haidong, Li Yonghui, Hou Zhenguo<Summary>The present invention relates to one kind to fill With formula building without bracket concrete joist steel column connected node, including square steel concrete column (1), Reinforced Concrete Composite Beams (2) and Concrete layer (3), square steel concrete column (1) is interior to be provided with punching reinforcing bar (4), and master is provided with Reinforced Concrete Composite Beams (2) Muscle (5), punching reinforcing bar (4) are connected with cage bar (5) by sleeve (6), Reinforced Concrete Composite Beams (2) is arranged on square steel coagulation On earth pillar (1), concrete layer (3) is covered in the contact site of square steel concrete column and Reinforced Concrete Composite Beams.The present invention carries The connected mode supplied between a kind of steel construction and armored concrete different materials, simple in construction, quick and easy for installation, shear resistance Can be high, and be connected firmly, there is more preferable durability.
From disclosed document, it is known that, when installing corbels support frame, what is had need to open up groove or pre-buried on concrete bodies Welding bracing frame is carried out on plate, groove is opened up on concrete bodies certainly will destroy concrete bodies intensity, reduction of service life;It is pre-buried Welded on plate, take work consuming, and height is big, it is dangerous big, remove also pretty troublesome.
In summary, research and develop it is a kind of it is brand-new be convenient to mount and dismount, beneficial to turnover, construction safety mass concrete construction it is pre- Stress angle-table bracket system is significant.
The content of the invention
The purpose of this utility model is the defects of overcoming prior art, and provides one kind and encorbelment mass concrete construction use Prestress anchoraging angle-table bracket construction;The construction overcomes deficiency existing for traditional full framing and pre-buried bracket structure, can Standardization manufacture is realized, easy for installation, sound construction during construction, improves efficiency of construction, shortens the construction period, while using in advance should The tensioning of power apparatus eliminates the montant of work progress intermediate cam truss structure because bearing transversely deforming caused by overhung load, Resistance to overturning is good, safe, can have enough to meet the need reuse after having constructed, have preferable economic benefit and social benefit.
In order to realize above-mentioned the utility model purpose, the technical scheme used for:
A kind of prestress anchoraging angle-table bracket construction of mass concrete construction of encorbelmenting, the construction include triangle purlin Frame structure, shearing groove, prestressing apparatus and horizontal-associate structure;According to design requirement, pre-buried several are mutual on concrete bodies both sides Symmetrical shearing groove, it is described to shear corresponding fixed installation triangular truss structure on groove;And two-by-two symmetrical triangular truss structure it Between be connected by prestressing apparatus through the prestressing force passage in concrete bodies;In homonymy two triangles adjacent to each other Horizontal-associate structure is installed between truss structure, a stable entirety is ultimately formed and undertakes top and encorbelment mass concrete construction All loads.
Preferably, described triangular truss structure includes top boom, lower boom, montant and hound;The montant it is upper One end of end connection top boom, the lower end connection lower boom of the montant;The other end of the top boom connects the upper of hound End, the lower end of the hound connects with montant lower end;Cross bar, the cross bar and diagonal brace are connected between the hound and montant Connecting upright pole between bar junction and top boom.
Preferably, A stiffeners are equipped with the junction of the top boom, hound and montant.
Preferably, the top boom, lower boom, montant, hound, cross bar and vertical rod take shaped steel welding to be made, and Some pieces of B stiffeners are provided with inside it by design requirement;The shaped steel is channel-section steel, I-steel, angle steel, H profile steel, T-steel or L It is any in shaped steel.
Preferably, the montant is provided with several through holes, and described through hole is mutually paired with prestressing force passage;It is described pre- Stress channel in the vertical direction aligns with shearing groove.
Preferably, described shearing groove is made of steel plate welding, and its opening size is bigger 1- than the straightforward face of lower boom 2cm, depth ratio lower boom insertion depth depth 5-10cm, the section that the straightforward face is intercepted by vertical lower boom longitudinal center.
Preferably, described prestressing apparatus is fining twisted steel and its supporting nut or steel strand wires and its supporting anchor Tool;The fining twisted steel or steel strand wires be interspersed in triangular truss structure montant and on concrete bodies it is pre- according to design requirement The prestressing force passage stayed;It is solid to tensing to reuse corresponding supporting nut or supporting anchorage.
Preferably, described prestressing apparatus when mounted, need to carry out tensioning by calculated value to it, whole outstanding so as to eliminate The prestress anchoraging angle-table bracket construction for choosing mass concrete construction produces when bearing top mass concrete construction Load when, the montant of triangular truss structure because bearing transversely deforming caused by overhung load, it is final ensure it is whole encorbelments it is big The stabilization and safety of the working prestress anchoraging angle-table bracket construction of volume concrete.
Preferably, described prestressing force passage takes pvc pipe, galvanized pipe, stainless steel or carbon steel tubing to be embedded in concrete in advance It is made in vivo, and runs through whole concrete bodies on pre-buried position by design.
Preferably, described horizontal-associate structure includes balancing pole, stabiliser bar and brace, and the stabiliser bar is arranged in parallel, and two Some balancing poles are installed between stabiliser bar, brace is installed on the diagonal of balancing pole two-by-two.
Preferably, the angle-table bracket construction method comprises the following steps:
(1)By drawing processing component, and it is transported to job site;
(2)Groove and prestressing force passage are sheared by design attitude is pre-buried when bottom concrete bodies pour;
(3)After concrete bodies are emphasized to reach requirement after bottom, triangular truss structure is lifted, by triangular truss structure lower boom In insertion shearing groove, fining twisted steel in prestressing apparatus or steel strand wires are sequentially passed through into the montant of triangular truss structure, in advance should The montant of power passage, triangular truss structure on symmetrical side, tightens the nut or anchorage at both ends, makes concrete bodies mutually right The montant on two Pin triangular truss structures claimed is all close to concrete bodies;
(4)Repeat step complete on same montant other groups by fining twisted steel and its supporting nut or steel strand wires and The installation of the prestressing apparatus of its supporting anchorage composition;
(5)Fining twisted steel on all montants or steel strand wires are subjected to tensioning by calculated value, spiral shell is tightened after completing tensioning Female or anchorage;
(6)Lift triangular truss structure adjacent two-by-two on horizontal-associate structure connection concrete bodies homonymy, using welding or Bolt connecting mode connects montant, top boom, the hound of the adjacent triangular truss structure of homonymy respectively successively;
(7)After angle-table bracket is constructed according to design requirement installation, transverse distribution beam, transverse distribution are being installed thereon Beam is installed on the top boom of triangular truss structure by spacing is calculated;
(8)Installation pours mount holder and end template, and carries out precompressed;
(9)After precompressed is qualified, installation pours required side template, internal model, head plate etc., and reinforcing bar is installed in mould and in advance should Power bellows, anchor plate and other embedded ribs etc.;
(10)Segmentation casting concrete is simultaneously conserved;
(11)After concrete is emphasized to reach requirement, head plate, internal model, side form, mount holder, bed die, horizontal stroke are removed successively To distribution beam, horizontal-associate structure, triangular truss structure, prestressing apparatus;Component transports after dismounting used to next building site or Person transports the maintenance storage of material transfer shed back.
The utility model is relative to substantive distinguishing features possessed by prior art and progress:
1st, the utility model overcomes insufficient existing for traditional full framing and pre-buried bracket structure, can realize standardization system Make, easy for installation, sound construction during construction, improve efficiency of construction, shorten the construction period, and used triangular truss structure, Horizontal-associate structure and shearing groove making material use shaped steel, and material source is convenient, and concentrated processing in factory, welding quality can obtain Sufficiently ensure, standardization level is high.
2nd, the utility model using the tensioning of prestressing apparatus come eliminate the montant of work progress intermediate cam truss structure because Transversely deforming caused by overhung load is born, system resistance to overturning is good, safe.
3rd, shearing groove of the present utility model be it is pre- be embedded in concrete bodies, it is integrally-built strong to destroy concrete bodies Degree;When installing or removing triangular truss structure, any damage is not caused to shearing groove;And shear groove and welded using steel plate Connect and be made, its opening size is bigger 1-2cm than the straightforward face of the lower boom in triangular truss structure, depth ratio lower boom insertion depth Deep 5-10cm, the section that the straightforward face is intercepted by vertical lower boom longitudinal center;Shearing groove greatly improves English truss knot The installation effectiveness of structure, because when installing English truss, by the lower boom insertion shearing groove in triangular truss structure, shearing groove will Lower boom entangles firm, can prevent triangular truss structure from being dropped when lifting loose hook;Shear the notch of groove and the cross-sectional sizes of lower boom Differ small, triangular truss structure gradient is small, can trample and carry out safety work thereon.
4th, installed when the utility model intermediate cam truss structure, horizontal-associate structure, prestressing apparatus installation for assembled, operation Simply, it is convenient to construct, and progress is fast, and can have enough to meet the need reuse, is advantageous to environmental protection.
5th, the utility model intermediate cam truss structure includes top boom, lower boom, montant and hound, and top boom, under Triangle is connected and composed between chord member, montant and hound;So that overall structure stability is high, endurance is strong;Top boom, Montant is connected with vertical rod, cross bar with hound respectively;Vertical rod and cross bar are strengthened overall structure;Meanwhile top boom, tiltedly A stiffeners are equipped with strut and montant junction, overall endurance, and can safety of structure significantly can be improved;Also to perpendicular Bar is strengthened, and avoids montant stress deformation.
6th, prestressing apparatus is fining twisted steel and its supporting nut or steel strand wires and its supporting in the utility model Anchorage;Improve the installation effectiveness of prestressing apparatus, and can stable connection;And after the completion of use, dismounting is also convenient for quick;In advance should Two symmetrical triangular truss structures of both sides are attached fixation by power apparatus, virtually also improve triangular truss structure Installation effectiveness.
7th, triangular truss structure adjacent two-by-two is attached fixation by horizontal-associate structure in the utility model, can be according to applying Work needs to use horizontal-associate structure, and triangular truss structure is attached two-by-two, then integral hoisting, or first lifts triangular truss structure, Horizontal-associate structure is reused to be attached adjacent triangular truss structure two-by-two;, can be by horizontal-associate structure and three after engineering terminates The overall structure of angle truss structure connection is hung to ground, then horizontal-associate structure and triangular truss structure are split, and improves efficiency of construction, And can ensures the safety of operating personnel, and connected mode between horizontal-associate structure and triangular truss structure is is welded to connect or bolt connects Connect mode, prioritizing selection bolt connection, can larger saving material, reduce construction cost.
Brief description of the drawings
Fig. 1 is that a kind of prestress anchoraging angle-table bracket construction of mass concrete construction of encorbelmenting of the utility model is being applied Man-hour structural representation;
Fig. 2 is Fig. 1 main view schematic diagram;
Fig. 3 is Fig. 1 vertical view figure structure schematic representation;
Fig. 4 is the structural representation of the partial enlargement for the prestressing force passage that prestressing apparatus is interspersed in lower concrete;
Fig. 5 is the dimensional structure diagram of triangular truss structure;
Fig. 6 is Fig. 5 main structure diagram;
Fig. 7 is the main structure diagram of horizontal-associate structure;
Component names and serial number in figure:Concrete bodies 1, triangular truss structure 2, groove 3 is sheared, prestressing force passage 4, in advance should Power apparatus 5, horizontal-associate structure 6, top boom 7, lower boom 8, montant 9, hound 10, cross bar 11, vertical rod 12, A stiffeners 13, balance Bar 14, stabiliser bar 15, brace 16, B stiffeners 17.
Embodiment
The utility model is further described with reference to embodiment of the present utility model.
Referring to shown in Fig. 1~7, a kind of prestress anchoraging angle-table bracket of mass concrete construction of encorbelmenting constructs, institute Stating construction includes triangular truss structure 2, shearing groove 3, prestressing apparatus 5 and horizontal-associate structure 6;The basis on the both sides of concrete bodies 1 Several pre-buried symmetrical shearing grooves 3 of design requirement, it is described to shear corresponding fixed installation triangular truss structure 2 on groove 3;And Connected two-by-two between symmetrical triangular truss structure 2 by prestressing apparatus 5 through the prestressing force passage 4 in concrete bodies 1 It is fixed;Horizontal-associate structure 6 is installed between homonymy two triangular truss structures 2 adjacent to each other.
Described triangular truss structure 2 includes top boom 7, lower boom 8, montant 9 and hound 10;The montant 9 it is upper One end of end connection top boom 7, the lower end connection lower boom 8 of the montant 9;The other end connection hound of the top boom 7 10 upper end, the lower end of the hound 10 connect with the lower end of montant 9;Cross bar 11 is connected between the hound 10 and montant 9, Connecting upright pole 12 between the cross bar 11 and the junction of hound 10 and top boom 7.
A stiffeners 13 are equipped with the junction of the top boom 7, hound 10 and montant 9.
The top boom 7, lower boom 8, montant 9, hound 10, cross bar 11 and vertical rod 12 take shaped steel welding to be made, And it is provided with some pieces of B stiffeners 17 by design requirement inside it;The shaped steel is channel-section steel, I-steel, angle steel, H profile steel, T-shaped It is any in steel or L-type steel.
The montant 9 is provided with several through holes, and described through hole is mutually paired with prestressing force passage 4;The prestressing force The in the vertical direction of passage 4 aligns with shearing groove 3.
Described shearing groove 3 is made of steel plate welding, and its opening size is bigger 1-2cm than the straightforward face of lower boom 8, depth Than the insertion depth depth 5-10cm of lower boom 8.
Described prestressing apparatus 5 is fining twisted steel and its supporting nut or steel strand wires and its supporting anchorage;Institute State fining twisted steel or steel strand wires are interspersed in montant 9 in triangular truss structure 2 and reserved on concrete bodies 1 according to design requirement Prestressing force passage 4;It is solid to tensing to reuse corresponding supporting nut or supporting anchorage.
Described prestressing force passage 4 is taken pvc pipe, galvanized pipe, stainless steel or carbon steel tubing to be embedded in advance in concrete bodies 1 and made , and run through whole concrete bodies 1 on pre-buried position by design.
Described horizontal-associate structure 6 includes balancing pole 14, stabiliser bar 15 and brace 16, and the stabiliser bar 15 is arranged in parallel, Some balancing poles 14 are installed between two stabiliser bars 15, brace 16 is installed on the diagonal of balancing pole 14 two-by-two.
The angle-table bracket construction method comprises the following steps:
(1)By drawing processing component, and it is transported to job site;
(2)Groove 3 and prestressing force passage 4 are sheared by design attitude is pre-buried when bottom concrete bodies pour;
(3)After concrete bodies are emphasized to reach requirement after bottom, triangular truss structure 2 is lifted, by the lower edge of triangular truss structure 2 In the insertion shearing groove 3 of bar 8, fining twisted steel or steel strand wires in prestressing apparatus 5 are sequentially passed through to the montant of triangular truss structure 2 9th, the montant 9 of prestressing force passage 4, triangular truss structure 2 on symmetrical side, tightens the nut or anchorage at both ends, makes coagulation Montant 9 on two symmetrical Pin triangular truss structures 2 of the soil body 1 is all close to concrete bodies 1;
(4)Repeat step(3)Other groups on same montant 9 are completed to be twisted by fining twisted steel and its supporting nut or steel The installation of the prestressing apparatus 5 of line and its supporting anchorage composition;
(5)Fining twisted steel on all montants 9 or steel strand wires are subjected to tensioning by calculated value, spiral shell is tightened after completing tensioning Female or anchorage;
(6)Lift horizontal-associate structure 6 and connect triangular truss structure 2 adjacent two-by-two on the homonymy of concrete bodies 1, using welding or Person's bolt connecting mode connects montant 9, top boom 7, the hound 10 of the adjacent triangular truss structure 2 of homonymy respectively successively;
(7)After angle-table bracket is constructed according to design requirement installation, transverse distribution beam, transverse distribution are being installed thereon Beam is installed on the top boom 7 of triangular truss structure 2 by spacing is calculated,
(8)Mounting base support and required end template is poured on transverse distribution beam, and carry out precompressed;
(9)After precompressed is qualified, installation side template, internal model, head plate etc., and reinforcing bar and prestressing force ripple are installed in mould Pipe, anchor plate and other embedded ribs etc.;
(10)Segmentation casting concrete is simultaneously conserved;
(11)After concrete is emphasized to reach requirement, head plate, internal model, side form, mount holder, bed die, horizontal stroke are removed successively To distribution beam, horizontal-associate structure 6, triangular truss structure 2, prestressing apparatus 5;Component transports to next building site after dismounting uses Or transport the maintenance storage of material transfer shed back.
Case study on implementation 1:
The high 64m of certain Large Bridge Pier, upper structure are continuous rigid frame, boom width 3m, volume of concrete 69.7m3, weight is about 175t.Full space support construction is such as used, support base need to change and fill out processing, and the workload that support is set up is very big, applies Long between man-hour, so high support, which is set up, can not ensure operating personnel's safety, and rod member even personnel's drop event easily occurs.Such as Constructed using pre-buried bracket method, then can carry out artificial destruction to the template of infrastructure, be unfavorable for being used in turn, while can not Ensure the weld job condition at scene, larger hidden danger is caused to safety and quality.Using the present invention, settling amount is small, concrete Quality is good, and security performance is high, and quality and security incident do not occur.
Case study on implementation 2:
The high 70m of certain Large Bridge Pier, upper structure are continuous rigid frame, boom width 3m, volume of concrete 69.7m3, weight is about 175t.According to the practice of case 1 and experience, had enough to meet the need with the material in case 1, greatly reduce cost, also save simultaneously Duration.Using the present invention, settling amount is small, and concrete quality is good, and security performance is high, and quality and security incident do not occur.

Claims (9)

  1. A kind of 1. prestress anchoraging angle-table bracket construction of mass concrete construction of encorbelmenting, it is characterised in that:The construction Including triangular truss structure(2), shearing groove(3), prestressing apparatus(5)With horizontal-associate structure(6);In concrete bodies(1)On both sides According to several pre-buried symmetrical shearing grooves of design requirement(3), the shearing groove(3)Upper corresponding fixed installation English truss Structure(2);And symmetrical triangular truss structure two-by-two(2)Between pass through prestressing apparatus(5)Through concrete bodies(1)Interior Prestressing force passage(4)It is connected;In homonymy two triangular truss structures adjacent to each other(2)Between horizontal-associate structure is installed (6).
  2. 2. the prestress anchoraging angle-table bracket construction of mass concrete construction according to claim 1 of encorbelmenting, it is special Sign is:Described triangular truss structure(2)Including top boom(7), lower boom(8), montant(9)And hound(10);It is described Montant(9)Upper end connection top boom(7)One end, the montant(9)Lower end connection lower boom(8);The top boom(7) The other end connection hound(10)Upper end, the hound(10)Lower end and montant(9)Lower end connects;The hound (10)And montant(9)Between connect cross bar(11), the cross bar(11)With hound(10)Junction and top boom(7)Between connect Connect vertical rod(12).
  3. 3. the prestress anchoraging angle-table bracket construction of mass concrete construction according to claim 2 of encorbelmenting, it is special Sign is:The top boom(7), hound(10)And montant(9)Junction on be equipped with A stiffeners(13).
  4. 4. the prestress anchoraging angle-table bracket construction of mass concrete construction according to claim 2 of encorbelmenting, it is special Sign is:The top boom(7), lower boom(8), montant(9), hound(10), cross bar(11)And vertical rod(12)Take type Steel welding is made, and is provided with some pieces of B stiffeners by design requirement inside it(17);The shaped steel is channel-section steel, I-steel, angle It is any in steel, H profile steel, T-steel or L-type steel.
  5. 5. the prestress anchoraging angle-table bracket construction of the mass concrete construction of encorbelmenting according to Claims 2 or 3, its It is characterised by:The montant(9)It is provided with several through holes, described through hole and prestressing force passage(4)It is mutually paired;It is described pre- Stress channel(4)In the vertical direction and shearing groove(3)Alignment.
  6. 6. the prestress anchoraging angle-table bracket construction of mass concrete construction according to claim 1 of encorbelmenting, it is special Sign is:Described shearing groove(3)It is made of steel plate welding, its opening size compares lower boom(8)The big 1-2cm in straightforward face, Depth ratio lower boom(8)Insertion depth depth 5-10cm.
  7. 7. the prestress anchoraging angle-table bracket construction of mass concrete construction according to claim 1 of encorbelmenting, it is special Sign is:Described prestressing apparatus(5)For fining twisted steel and its supporting nut or steel strand wires and its supporting anchorage;Institute State fining twisted steel or steel strand wires are interspersed in triangular truss structure(2)Middle montant(9)With in concrete bodies(1)On according to design will Seek reserved prestressing force passage(4);It is solid to tensing to reuse corresponding supporting nut or supporting anchorage.
  8. 8. the prestress anchoraging angle-table bracket construction of mass concrete construction according to claim 1 of encorbelmenting, it is special Sign is:Described prestressing force passage(4)Pvc pipe, galvanized pipe, stainless steel or carbon steel tubing is taken to be embedded in concrete bodies in advance(1) It is interior to be made, and run through whole concrete bodies on pre-buried position by design(1).
  9. 9. the prestress anchoraging angle-table bracket construction of mass concrete construction according to claim 1 of encorbelmenting, it is special Sign is:Described horizontal-associate structure(6)Including balancing pole(14), stabiliser bar(15)And brace(16), the stabiliser bar(15) Parallel arrangement, two stabiliser bars(15)Between some balancing poles are installed(14), balancing pole two-by-two(14)Diagonal on installation it is oblique Pull bar(16).
CN201720620864.2U 2017-05-31 2017-05-31 A kind of prestress anchoraging angle-table bracket construction of mass concrete construction of encorbelmenting CN206815197U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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CN108301309A (en) * 2018-01-11 2018-07-20 浙江省交通运输科学研究院 A kind of asymmetric assembled steel cable-stayed bridge bridge end wall bracket sets support construction
CN110043016A (en) * 2018-06-25 2019-07-23 上海建工集团股份有限公司 Based on the enhanced hanging scaffolding of prestressed rigidity and its construction method
CN110318343A (en) * 2019-07-19 2019-10-11 广西建工集团联合建设有限公司 A kind of bridge construction Support bracket and its application method
CN110593099A (en) * 2019-08-12 2019-12-20 中铁十局集团第五工程有限公司 Bridge construction support bracket

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108301309A (en) * 2018-01-11 2018-07-20 浙江省交通运输科学研究院 A kind of asymmetric assembled steel cable-stayed bridge bridge end wall bracket sets support construction
CN110043016A (en) * 2018-06-25 2019-07-23 上海建工集团股份有限公司 Based on the enhanced hanging scaffolding of prestressed rigidity and its construction method
CN110318343A (en) * 2019-07-19 2019-10-11 广西建工集团联合建设有限公司 A kind of bridge construction Support bracket and its application method
CN110593099A (en) * 2019-08-12 2019-12-20 中铁十局集团第五工程有限公司 Bridge construction support bracket

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