CN205188797U - Concrete tied arch bridge jib casts anchor and holds connection structure - Google Patents

Concrete tied arch bridge jib casts anchor and holds connection structure Download PDF

Info

Publication number
CN205188797U
CN205188797U CN201520977000.7U CN201520977000U CN205188797U CN 205188797 U CN205188797 U CN 205188797U CN 201520977000 U CN201520977000 U CN 201520977000U CN 205188797 U CN205188797 U CN 205188797U
Authority
CN
China
Prior art keywords
building
binder
suspension rod
builds
casts anchor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201520977000.7U
Other languages
Chinese (zh)
Inventor
陆树荣
刘厚平
宋恭俭
张启标
江越胜
周晖
熊峰伟
仵云飞
李玲芳
刘春山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HUZHOU TRAFFIC & PLAN DESIGN INSTITUTE
Original Assignee
HUZHOU TRAFFIC & PLAN DESIGN INSTITUTE
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HUZHOU TRAFFIC & PLAN DESIGN INSTITUTE filed Critical HUZHOU TRAFFIC & PLAN DESIGN INSTITUTE
Priority to CN201520977000.7U priority Critical patent/CN205188797U/en
Application granted granted Critical
Publication of CN205188797U publication Critical patent/CN205188797U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to an arched bridge structure especially relates to a concrete tied arch bridge jib casts anchor and holds connection structure. A concrete tied arch bridge jib casts anchor and holds connection structure, includes jib and otic placode connecting piece, and the otic placode connecting piece includes portion of pouring and connecting portion, and the portion of pouring in the binder, connecting portion protrusion in binder top, the bottom of jib is fixed with connecting portion are articulated, the portion of building on be provided with a plurality of round pin and bore a hole, it has the restraint muscle to run through in the round pin is bored a hole. The utility model discloses have and will be originally conceal invisible atress region and exposed reason on the concrete binder, can reach convenient inspection in the maintenance of engineering later stage, maintain and change the purpose of jib easily, can fundamentally solve and produce the concealed and damage and cause the bridge to have no the beneficial effect such as destruction of sign because of the jib casts anchor the end.

Description

A kind of Concrete Tied Arch suspension rod casts anchor end syndeton
Technical field
The utility model relates to a kind of arch bridge structure, especially relates to a kind of Concrete Tied Arch suspension rod and to cast anchor end syndeton.
Background technology
The suspension rod upper end of existing concrete bowstring arch bridge is anchored on arch rib, and it is inner near root edge that suspension rod lower end is embedded in binder through pre-buried pipeline in concrete binder, and after suspender tension, adopt concrete sealing off and covering anchorage, total is hidden in binder inside; There is following problem in this design: bridge is often in vibrational state under wind, rain, the effect of vehicle equal excitation in bridge operation process, in the synergy of alternate load and media environment even under coupling, suspension rod casts anchor and holds anchorage zone easily water erosion to occur, long water erosion can cause anchor end structure corrosion and fatigue, easily causes Hangers failure accident; Separately, because the usual embedding concrete binder of the end that casts anchor is inner, the later stage checks maintenance difficulty, dangerous hidden invisible, easily produces the destruction having no sign, there is very large potential safety hazard, be not easy to the replacing of suspension rod simultaneously.
Utility model content
The utility model, mainly for the problems referred to above, provides a kind of Concrete Tied Arch suspension rod to cast anchor end syndeton.It can effectively utilize that arch rib hangs binder, is convenient to suspension rod pretension, is connected firmly, the axis of suspension rod can carry out the tied arch bridge hanger rod of finely tuning as required and concrete binder, and original hidden sightless stress area is exposed to concrete binder upper limb, can reach convenient and check, easily safeguard and change the object of suspension rod in engineering late maintaining, can fundamentally solve because the suspension rod end that casts anchor produces hidden damage and causes bridge to have no the destruction of sign; Eliminate idea construction bowstring arch bridge being existed to " suspension rod casts anchor, and end disease is difficult to be checked, dangerous hidden danger is invisible ", " change suspension rod difficulty, maintenance cost is high " simultaneously.
The purpose of this utility model is mainly achieved by following proposal: a kind of Concrete Tied Arch suspension rod casts anchor end syndeton, comprise suspension rod and otic placode connector, otic placode connector comprises the portion of building and connecting portion, the portion of building builds in binder, connecting portion protrudes from above binder, the bottom of suspension rod and connecting portion hinged fixing, described building in portion is provided with several pin perforation, runs through Constrained muscle in pin perforation.Upper built-in pipe runs through arch rib, and suspension rod upper end connects tensioning equipment after running through built-in pipe, and tensioning equipment is fixed above arch rib.Suspension rod lower end is hingedly fixed on otic placode connector by linking arm, the verticality of suspension rod can be regulated by pendulum suspension element, after boom axis position is determined, by the tensioning equipment tension cable above arch rib, realize the fixing of suspension rod and to the support of arch rib and lift.The stretch-draw position of suspension rod is positioned at above arch rib, can upwards transport staff regulate tensioning equipment by hoist, bottom staff to binder, strengthens safety and the convenience of bridge construction.Otic placode connector comprises connecting portion and build portion, and connecting portion stretches out that binder is outer builds portion and binder formed by integrally casting for being connected with linking arm, strengthens the firmness that otic placode connector is fixing, and then the firmness that enhancing suspension rod is fixed.And the portion that builds of otic placode connector is as main stressed member and binder formed by integrally casting, and ponding cannot enter, and avoids the portion of building of otic placode connector to get rusty aging, extend application life and the intensity of otic placode connector.The naked connecting portion be exposed on the external can be avoided getting rusty by surface anti-oxidation, and can check in time, is convenient to real-time servicing, realizes otic placode connector entirety and not easily gets rusty.Can fundamentally solve because the suspension rod end that casts anchor produces hidden damage and cause bridge to have no the destruction of sign; Eliminate idea construction bowstring arch bridge being existed to " suspension rod casts anchor, and end disease is difficult to be checked, dangerous hidden danger is invisible ", " change suspension rod difficulty, maintenance cost is high " simultaneously.Build in portion and be provided with several pin perforation, constraint muscle is run through in pin perforation, constraint muscle comprises the positioning bar running through pin perforation and the fixing muscle being positioned at positioning bar two ends, the axis of positioning bar is vertical with the portion of building, the i.e. positioning bar plane at pulling force place be subject to and the plane orthogonal of building place, portion, increase with the foundation area of binder with contact direction, the portion that builds by pull transfer to positioning bar time, positioning bar can strengthen integraty and the bonding strength of the portion of building and binder.Fixing muscle is connected with positioning bar end vertical, the axis of fixing muscle with build place, portion plane parallel but not coplanar, enhance the intensity of positioning bar, make positioning bar not easily flexural deformation, main shear-carrying capacity is provided.
As preferably, the described rectangular platy structure in the portion that builds, the portion that builds is provided with the horizontal restrain plate in the portion that vertically builds away from one end of connecting portion, the portion upper end of building is provided with several stirrups, stirrup place plane is vertical with the portion of building, stirrup is by the rectangle frame of bending reinforcement, and the stirrup upper center of rectangle frame structure is blocked and is welded and fixed with the portion of building.The rectangular platy structure in the portion that builds, in the portion of building, horizontal restrain plate is set away from one end of connecting portion, horizontal restrain plate vertically builds portion, when the portion of building is cast in binder inside together with horizontal restrain plate, connecting portion and the portion of building are subject to the power of the vertical direction of linking arm and suspension rod applying, horizontal restrain plate plays spacing effect in the binder inside of formed by integrally casting, can strengthen the restraint forces of the portion of building at vertical direction, avoid the portion of building to be drawn out in binder.The portion upper end of building arranges stirrup, and stirrup is by the rectangle frame of bending reinforcement, and the stirrup upper center of rectangle frame is blocked and butt welding is connected in the portion of building.Because stirrup place plane is vertical with the portion of building, when the portion of building is subject to vertical direction pulling force, the portion that builds by pull transfer to stirrup, stirrup plane of constraint is vertical with building portion's plane of constraint, namely not in same plane, strengthen the integraty of building portion and binder formed by integrally casting, and then strengthen the bonding strength of building portion and binder.Meanwhile, the shear-carrying capacity affecting binder component self can be avoided.
As preferably, described building in portion is provided with several locating holes, runs through and be provided with hollow positioning pipe in locating hole.The portion of building is provided with several locating holes, run through in locating hole and positioning pipe is set, positioning pipe axes normal builds place, portion plane, when the portion of building is subject to the pulling force of vertical direction, the portion that builds by pull transfer to positioning pipe, the direction of positioning pipe under tension with build the direction of portion's under tension not in a plane, when positioning pipe is cast in binder inside, after cylindrical positioning pipe external surface contacts with binder, Impact direction is subject to external surface and leads and change, increase and build portion and binder lifting surface area, and then the firmness that the increase portion that builds is connected with binder.Positioning pipe is hollow-core construction, when positioning pipe is with when building portion and binder formed by integrally casting, the positioning pipe that concrete enters hollow-core construction is inner, increase contact area and the forced position of binder and positioning pipe, strengthen the integraty that positioning pipe is connected with binder, strengthen the firmness that the portion that builds is connected with binder further.Be binder prestressing force and passage through steel plate is provided, and avoid the cutting effect of the vertical power transmission of pre-embedded steel slab to beam steel bundle; This positioning pipe need be corresponding to binder prestressed strand position corresponding.
As preferably, described connecting portion two sides "eight" shape symmetrically, top margin is the circular arc two side transition be connected, and two end faces of connecting portion are provided with stiffener, runs through stiffener and connecting portion is provided with for the hinge hole hinged with linking arm.
Therefore, suspension rod ruggedized construction and the construction method thereof of concrete bowstring arch bridge of the present utility model possess following advantage: the portion that builds of otic placode connector is as main stressed member and binder formed by integrally casting, ponding cannot enter, avoid the portion of building of otic placode connector to get rusty aging, extend application life and the intensity of otic placode connector.The naked connecting portion be exposed on the external can be avoided getting rusty by surface anti-oxidation, and can check in time, is convenient to real-time servicing, realizes otic placode connector entirety and not easily gets rusty.Can fundamentally solve because the suspension rod end that casts anchor produces hidden damage and cause bridge to have no the destruction of sign; Eliminate idea construction bowstring arch bridge being existed to " suspension rod casts anchor, and end disease is difficult to be checked, dangerous hidden danger is invisible ", " change suspension rod difficulty, maintenance cost is high " simultaneously.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of structural representation of the present utility model;
Accompanying drawing 2 is structural representations of otic placode and binder junction direction across bridge;
Accompanying drawing 3 be otic placode and binder junction along bridge to structural representation;
Accompanying drawing 4 is structural representations of the utility model otic placode connector;
Accompanying drawing 5 is the structural representations retraining muscle in the utility model.
Illustrate: 01-arch rib, 011-strengthens gusset, 02-binder, 03-suspension rod, 06-otic placode connector, 061-connecting portion, 0611-stiffener, 0612-hinge hole, 062-builds portion, 0622-locating hole, 0623-sells perforation, 063-restraining plate, 07-stirrup, 08-positioning pipe, 09-retrains muscle, 091-positioning bar, 092-fixes muscle, 10-steel bundle.
Detailed description of the invention
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, 2, a kind of tied arch bridge hanger rod casts anchor end syndeton, and concrete bowstring arch bridge comprises: binder 02 and arch rib 01, binder and arch rib are provided with several suspension rods 03, arch rib is curved, and two ends and the binder of arch rib are connected as a single entity, and suspension rod is vertically connected between arch rib and binder.Also comprise otic placode connector 06, otic placode connector comprises the portion of building 062 and connecting portion 061, and the portion of building builds in binder, and connecting portion protrudes from above binder, the bottom of suspension rod and connecting portion hinged fixing.As shown in Figure 3,4, the rectangular platy structure in the portion that builds, the portion that builds is provided with the horizontal restrain plate 063 in the portion that vertically builds away from one end of connecting portion, the portion upper end of building arranges stirrup 07, stirrup is by the rectangle frame of bending reinforcement, stirrup place plane is vertical with the portion of building, and stirrup upper center is blocked and butt welding is connected in the portion of building.Stirrup is two rows, and the diameter near row's stirrup of connecting portion is greater than the row's stirrup away from connecting portion.Build in portion and be provided with four locating holes 0622, run through in locating hole and be provided with hollow positioning pipe 08.Build in portion and be provided with the perforation 0623 of 14 pins, Constrained muscle 09 is run through in pin perforation, as shown in Figure 5, constraint muscle comprises the positioning bar 091 running through pin perforation and the fixing muscle 091 being positioned at positioning bar two ends, fixing muscle is connected with the end vertical of positioning bar, and positioning bar and fixing muscle are formed by a bending reinforcement.The steel bundle 10 parallel with binder bearing of trend is built in binder inside.Connecting portion two sides "eight" shape symmetrically, top margin is the circular arc two side transition be connected, and two end faces of connecting portion are provided with stiffener 0611, runs through stiffener and connecting portion is provided with for the hinge hole 0612 hinged with linking arm.
Suspension rod lower end is hingedly fixed on otic placode connector by linking arm, the verticality of suspension rod can be regulated by pendulum suspension element, after boom axis position is determined, by the tensioning equipment tension cable above arch rib, realize the fixing of suspension rod and to the support of arch rib and lift.The stretch-draw position of suspension rod is positioned at above arch rib, can upwards transport staff regulate tensioning equipment by hoist, bottom staff to binder, strengthens safety and the convenience of bridge construction.Otic placode connector comprises connecting portion and build portion, and connecting portion stretches out that binder is outer builds portion and binder formed by integrally casting for being connected with linking arm, strengthens the firmness that otic placode connector is fixing, and then the firmness that enhancing suspension rod is fixed.And the portion that builds of otic placode connector is as main stressed member and binder formed by integrally casting, and ponding cannot enter, and avoids the portion of building of otic placode connector to get rusty aging, extend application life and the intensity of otic placode connector.The naked connecting portion be exposed on the external can be avoided getting rusty by surface anti-oxidation, and can check in time, is convenient to real-time servicing, realizes otic placode connector entirety and not easily gets rusty.Can fundamentally solve because the suspension rod end that casts anchor produces hidden damage and cause bridge to have no the destruction of sign; Eliminate idea construction bowstring arch bridge being existed to " suspension rod casts anchor, and end disease is difficult to be checked, dangerous hidden danger is invisible ", " change suspension rod difficulty, maintenance cost is high " simultaneously.Build in portion and be provided with several pin perforation, constraint muscle is run through in pin perforation, constraint muscle comprises the positioning bar running through pin perforation and the fixing muscle being positioned at positioning bar two ends, the axis of positioning bar is vertical with the portion of building, the i.e. positioning bar plane at pulling force place be subject to and the plane orthogonal of building place, portion, increase with the foundation area of binder with contact direction, the portion that builds by pull transfer to positioning bar time, positioning bar can strengthen integraty and the bonding strength of the portion of building and binder.Fixing muscle is connected with positioning bar end vertical, the axis of fixing muscle with build place, portion plane parallel but not coplanar, enhance the intensity of positioning bar, make positioning bar not easily flexural deformation, main shear-carrying capacity is provided.The rectangular platy structure in the portion that builds, in the portion of building, horizontal restrain plate is set away from one end of connecting portion, horizontal restrain plate vertically builds portion, when the portion of building is cast in binder inside together with horizontal restrain plate, connecting portion and the portion of building are subject to the power of the vertical direction of linking arm and suspension rod applying, horizontal restrain plate plays spacing effect in the binder inside of formed by integrally casting, can strengthen the restraint forces of the portion of building at vertical direction, avoid the portion of building to be drawn out in binder.The portion upper end of building arranges stirrup, and stirrup is by the rectangle frame of bending reinforcement, and the stirrup upper center of rectangle frame is blocked and butt welding is connected in the portion of building.Because stirrup place plane is vertical with the portion of building, when the portion of building is subject to vertical direction pulling force, the portion that builds by pull transfer to stirrup, stirrup plane of constraint is vertical with building portion's plane of constraint, namely not in same plane, strengthen the integraty of building portion and binder formed by integrally casting, and then strengthen the bonding strength of building portion and binder.Meanwhile, the shear-carrying capacity affecting binder component self can be avoided.Stirrup is two rows, diameter near row's stirrup of connecting portion is greater than the row's stirrup away from connecting portion, namely the stirrup diameter of outer ring is greater than the stirrup diameter of inner ring, the stirrup bending resistance of different-diameter is different with resistance to tension, utilizes the stirrup of two kinds of different-diameters to strengthen the bonding strength of stirrup and binder further.The portion of building is provided with several locating holes, run through in locating hole and positioning pipe is set, positioning pipe axes normal builds place, portion plane, when the portion of building is subject to the pulling force of vertical direction, the portion that builds by pull transfer to positioning pipe, the direction of positioning pipe under tension with build the direction of portion's under tension not in a plane, when positioning pipe is cast in binder inside, after cylindrical positioning pipe external surface contacts with binder, Impact direction is subject to external surface and leads and change, increase and build portion and binder lifting surface area, and then the firmness that the increase portion that builds is connected with binder.Positioning pipe is hollow-core construction, when positioning pipe is with when building portion and binder formed by integrally casting, the positioning pipe that concrete enters hollow-core construction is inner, increase contact area and the forced position of binder and positioning pipe, strengthen the integraty that positioning pipe is connected with binder, strengthen the firmness that the portion that builds is connected with binder further.Be binder prestressing force and passage through steel plate is provided, and avoid the cutting effect of the vertical power transmission of pre-embedded steel slab to beam steel bundle; This positioning pipe need be corresponding to binder prestressed strand position corresponding.
Should be understood that this embodiment is only not used in restriction scope of the present utility model for illustration of the utility model.In addition should be understood that those skilled in the art can make various changes or modifications the utility model, and these equivalent form of values fall within the application's appended claims limited range equally after the content of having read the utility model instruction.

Claims (4)

1. a Concrete Tied Arch suspension rod casts anchor end syndeton, it is characterized in that, comprise suspension rod and otic placode connector, otic placode connector comprises the portion of building and connecting portion, the portion of building builds in binder, and connecting portion protrudes from above binder, the bottom of suspension rod and connecting portion hinged fixing, described building in portion is provided with several pin perforation, runs through Constrained muscle in pin perforation.
2. a kind of Concrete Tied Arch suspension rod according to claim 1 casts anchor end syndeton, it is characterized in that, the described rectangular platy structure in the portion that builds, the portion that builds is provided with the horizontal restrain plate in the portion that vertically builds away from one end of connecting portion, the portion upper end of building is provided with several stirrups, stirrup place plane is vertical with the portion of building, and stirrup is by the rectangle frame of bending reinforcement, and the stirrup upper center of rectangle frame structure is blocked and is welded and fixed with the portion of building.
3. a kind of Concrete Tied Arch suspension rod according to claim 1 casts anchor end syndeton, and it is characterized in that, described building in portion is provided with several locating holes, runs through and be provided with hollow positioning pipe in locating hole.
4. a kind of Concrete Tied Arch suspension rod according to claim 1 or 2 or 3 casts anchor end syndeton, it is characterized in that, described connecting portion two sides "eight" shape symmetrically, top margin is the circular arc two side transition be connected, two end faces of connecting portion are provided with stiffener, run through stiffener and connecting portion is provided with for the hinge hole hinged with linking arm.
CN201520977000.7U 2015-11-30 2015-11-30 Concrete tied arch bridge jib casts anchor and holds connection structure Expired - Fee Related CN205188797U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520977000.7U CN205188797U (en) 2015-11-30 2015-11-30 Concrete tied arch bridge jib casts anchor and holds connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520977000.7U CN205188797U (en) 2015-11-30 2015-11-30 Concrete tied arch bridge jib casts anchor and holds connection structure

Publications (1)

Publication Number Publication Date
CN205188797U true CN205188797U (en) 2016-04-27

Family

ID=55781800

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520977000.7U Expired - Fee Related CN205188797U (en) 2015-11-30 2015-11-30 Concrete tied arch bridge jib casts anchor and holds connection structure

Country Status (1)

Country Link
CN (1) CN205188797U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106544950A (en) * 2016-11-02 2017-03-29 浙江海洋大学 The anchor structure of bowstring arch bridge
CN106567317A (en) * 2016-11-02 2017-04-19 浙江海洋大学 Reinforced type tied-arch bridge
CN106567318A (en) * 2016-11-02 2017-04-19 浙江海洋大学 Concrete tied-arch bridge
CN106592447A (en) * 2016-11-02 2017-04-26 浙江海洋大学 Reinforcement device of tied-arch bridge
CN106592405A (en) * 2016-11-02 2017-04-26 浙江海洋大学 Stable concrete tied arch bridge

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106544950A (en) * 2016-11-02 2017-03-29 浙江海洋大学 The anchor structure of bowstring arch bridge
CN106567317A (en) * 2016-11-02 2017-04-19 浙江海洋大学 Reinforced type tied-arch bridge
CN106567318A (en) * 2016-11-02 2017-04-19 浙江海洋大学 Concrete tied-arch bridge
CN106592447A (en) * 2016-11-02 2017-04-26 浙江海洋大学 Reinforcement device of tied-arch bridge
CN106592405A (en) * 2016-11-02 2017-04-26 浙江海洋大学 Stable concrete tied arch bridge

Similar Documents

Publication Publication Date Title
CN205188797U (en) Concrete tied arch bridge jib casts anchor and holds connection structure
CN203270457U (en) Suspension bar anchoring structure capable of initiatively reinforcing concrete tied-arch bridge
CN104532756B (en) Cable stayed bridge steel arch tower bivector traction vertical rotating construction method
WO2012030018A1 (en) Partially/completely earth-anchored and cable-stayed bridge using a main span tension means, and method for constructing same
CN207919363U (en) A kind of Filled Steel Tubular Arch Bridge low level assembly lifting system
CN103485285A (en) Replacement method of rigid hanger of tied-arch bridge
CN104532757A (en) Bi-directional traction vertical rotation construction device for cable-stayed bridge steel arch tower
KR101251298B1 (en) Precast segment fixing the connection member of closed structure and method constructing a stress ribbon bridge therewith
JP4634537B1 (en) Bridge girder reinforcement structure
CN108999088A (en) A kind of construction method of cable-stayed bridge
CN105586826A (en) Connecting structure of anchorage ends of booms of concrete tied arch bridge and construction method of connecting structure
KR101456635B1 (en) Bridge construction method using of form traveller for through bridge and rebar structure
CN105463979B (en) Space trident beam string foot bridge
CN208151865U (en) A kind of introversion formula steel case arch bridge integrally promotes simulation Lift-on/Lift-off System
CN203530831U (en) Hanging rod anchoring structure of concrete composite beam
CN106400688A (en) Main tower and construction method thereof
CN105464456A (en) Method and lifting sling for assembling extra-high voltage transmission iron tower through helicopter
CN206752288U (en) A kind of interior suspension cable compound section bridge
CN205443968U (en) Tractive stop device during overpass jacking
CN205653707U (en) Cable crane machine
CN105113426B (en) A kind of method that steel truss arched bridge knotted rope is coupled
CN205296844U (en) Precast box girder steel strand wires hoisting point
CN106012841A (en) Cable crane and installation method thereof
CN203188109U (en) Multi-span ground anchor type suspension bridge
CN204199188U (en) A kind of head tower vertical turning lifting mechanism

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20160427

Termination date: 20171130