CN211665554U

CN211665554U - Be used for absorbing pier structure of bridge

Info

Publication number: CN211665554U
Application number: CN201921875742.3U
Authority: CN
Inventors: 白莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-10-13
Anticipated expiration: 2029-10-31

Abstract

The utility model relates to a road and bridge field specifically discloses a be used for shock-absorbing pier structure of bridge, including the pier main part, the upper end of pier main part is provided with the bridge floor, the lower extreme of bridge floor is provided with pier shaft, be provided with the side wall between bridge floor and the pier shaft, the lower extreme of side wall is provided with the platform body, the lower extreme of pier shaft is provided with the foundation pile, be provided with the pier basis between foundation pile and the pier shaft. The buffer block can improve the displacement control condition of bridge, again because of the high central part of bridge buffer block pier shaft, the instantaneous heeling of pier shaft and the torsional stress that reduces well roof beam when reducible car passes through on well roof beam, the inside steel reinforcement framework of pier shaft and pre-buried reinforcing bar can increase the supporting role of bridge and increase the antitorque ability of bridge simultaneously, the buffer action to the bridge can be played to the dog that takes precautions against earthquakes, set up the collision response that the buffer block can effectively reduce the structure in beam seam department.

Description

Be used for absorbing pier structure of bridge

Technical Field

The utility model relates to a road and bridge field specifically is a be used for shock-absorbing pier structure of bridge.

Background

The pier is mainly composed of a top cap and a pier body, the pier is a sub-building for supporting a bridge span structure and transmitting constant load and vehicle live load to a foundation, bridge abutments are arranged between two lakes of a bridge, the pier is arranged between the two bridge abutments and is used for supporting the bridge span structure, the bridge abutments are used for supporting the bridge span structure, and are also connected with an embankment and preventing the embankment from sliding, and protection and diversion projects are usually performed on two sides of the embankment for protecting the embankment and embankment filling.

However, when the road is put into use, the road is influenced by the acting force of the bridge deck automobile load, and the traditional bridge has a large supporting capacity but does not have a good damping function, so that the service life of the bridge is shortened in long-term high-load use, but the service life of the bridge cannot be prolonged. Accordingly, those skilled in the art have provided a bridge pier structure for bridge damping to solve the problems set forth in the background art as described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for shock-absorbing pier structure of bridge to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a be used for shock-absorbing pier structure of bridge, includes the pier main part, the upper end of pier main part is provided with the bridge floor, the lower extreme of bridge floor is provided with pier shaft, be provided with the side wall between bridge floor and the pier shaft, the lower extreme of side wall is provided with the platform body, the lower extreme of pier shaft is provided with the foundation pile, be provided with the pier basis between foundation pile and the pier shaft.

As a further aspect of the present invention: the pier is characterized in that a steel reinforcement framework is arranged on the inner side of the pier body, a concrete pouring core is arranged at the lower end of the steel reinforcement framework, pre-buried reinforcing steel bars are arranged on the outer side of the concrete pouring core, side sealing plates are arranged on the outer side of the pre-buried reinforcing steel bars, and a buffer block is arranged at the upper end of the steel reinforcement framework.

As a further aspect of the present invention: be provided with the eared wall between bridge floor and the pier shaft, install the back wall between eared wall and the bridge floor, one side of back wall is provided with the dog that takes precautions against earthquakes, the side of eared wall is provided with the bent cap, be provided with the elasticity pressure pin between eared wall and the pier shaft.

As a further aspect of the present invention: the anti-vibration stop block is fixedly connected with the ear wall, the bent cap is fixedly connected with the ear wall, the back wall is connected with the ear wall through reinforcing steel bars, and the elastic pressing pin is rotatably connected with the pier body of the pier.

As a further aspect of the present invention: the concrete-filled bridge comprises a steel bar framework, embedded reinforcing steel bars, a side sealing plate and a buffer block, wherein the steel bar framework is fixedly connected with a concrete-filled core, the embedded reinforcing steel bars are fixedly connected with the concrete-filled core, the side sealing plate is fixedly connected with a pier body of a pier, and a polyurethane compression-resistant spring is arranged inside the buffer block.

As a further aspect of the present invention: the foundation pile column is fixedly connected with the pier foundation, the pier body is fixedly connected with the pier foundation, and the side wall is fixedly connected with the platform body.

As a further aspect of the present invention: the bridge floor is connected with the side walls through steel bars, and the platform body is fixedly connected with the pier body of the pier.

Compared with the prior art, the beneficial effects of the utility model are that: the optimized buffer block, the expansion device in the bridge can improve the displacement control condition of the bridge because the buffer block is arranged between the middle beams, and because the bridge buffer block is arranged at the height center part of the pier body of the bridge pier, the instantaneous side inclination of the pier body of the bridge pier and the torsional stress of the middle beam caused by the passing of an automobile on the middle beam can be reduced, the maximum seam width can be effectively controlled by utilizing the length of the positioning pull rod of the buffer block, so that the buffer block has the characteristics of reliable stress, uniform expansion, maintenance and the like, the support function of the bridge can be increased by the steel bar framework and the embedded reinforcing steel bars in the pier body of the bridge pier, the anti-torsion capability of the bridge can be increased, the buffer block can play a role of buffering the bridge, the buffer block can effectively reduce the collision response of the structure when the beam seam is filled tightly, the collision force and the displacement of the structure are much smaller than those when a gap is left, buffering effect reaches the best, fills closely knit between buffer block and roof beam seam, and behind the bridge installation buffer block, along with the increase of pier, substructure gradually its dominant action in the structure motion, the impact and the displacement response of girder bridge can increase thereupon simultaneously, and the impact and the displacement response of continuous girder bridge can reduce gradually, and the continuous girder bridge can effectively avoid the emergence of collision after filling the buffer block moreover.

Drawings

Fig. 1 is a schematic structural view of a pier structure for shock absorption of a bridge;

FIG. 2 is a schematic view showing an internal structure of a pier body in a pier structure for shock absorption of a bridge;

fig. 3 is a schematic structural view of a shock-absorbing device in a pier structure for bridge shock absorption.

In the figure: 1. a pier main body; 2. a bridge deck; 3. a pier body of a pier; 4. a pier foundation; 5. a foundation pile; 6. a side wall; 7. A platform body; 201. a shockproof stop block; 202. a back wall; 203. a capping beam; 204. an ear wall; 205. elastic pressing pins; 301. a steel reinforcement cage; 302. pouring concrete into the core; 303. embedding reinforcing steel bars; 304. a side sealing plate; 305. and a buffer block.

Detailed Description

Please refer to fig. 1-3, in the embodiment of the utility model provides an embodiment, a be used for shock-absorbing pier structure of bridge, including pier main part 1, pier main part 1's upper end is provided with bridge floor 2, and bridge floor 2's lower extreme is provided with pier shaft 3, is provided with side wall 6 between bridge floor 2 and the pier shaft 3, and the lower extreme of side wall 6 is provided with platform body 7, and pier shaft 3's lower extreme is provided with foundation pile 5, is provided with pier basis 4 between foundation pile 5 and the pier shaft 3.

In fig. 1, 2, 3: the inner side of the pier body 3 is provided with a steel bar framework 301, the lower end of the steel bar framework 301 is provided with a concrete pouring core 302, the outer side of the concrete pouring core 302 is provided with embedded reinforcing steel bars 303, the outer side of the embedded reinforcing steel bars 303 is provided with side sealing plates 304, the upper end of the steel bar framework 301 is provided with a buffer block 305, an ear wall 204 is arranged between the bridge deck 2 and the pier body 3, a back wall 202 is arranged between the ear wall 204 and the bridge deck 2, one side of the back wall 202 is provided with a shock-proof stop 201, the side end of the ear wall 204 is provided with a cover beam 203, an elastic press pin 205 is arranged between the ear wall 204 and the pier body 3, the shock-proof stop 201 is fixedly connected with the ear wall 204, the cover beam 203 is fixedly connected with the ear wall 204, the back wall 202 is connected with the ear wall 204 through steel bars, the elastic press pin 205 is rotatably connected with the pier body 3, the steel,

side seal board

304 and 3 fixed connection of pier shaft, the inside of buffer block 305 is provided with polyurethane compression spring,

foundation pile

5 and 4 fixed connection on pier basis,

pier shaft

3 and 4 fixed connection on pier basis, side wall 6 and platform body 7 fixed connection, and bridge floor 2 passes through the steel bar connection with side wall 6,

platform body

7 and 3 fixed connection on pier shaft.

In fig. 2, 3: the elastic pressure pin 205 can be arranged to play a role in connecting the fixed earwall 204 with the pier body 3, the reinforcing steel bar framework 301 and the embedded reinforcing steel bars 303 in the pier body 3 can not only increase the supporting effect of the bridge but also increase the torsion resistance of the bridge, the beam buffer block 305 is arranged at the center of the height of the pier body 3, and the instantaneous side inclination of the pier body 3 and the torsion stress of the middle beam can be reduced when an automobile passes through the middle beam.

The utility model discloses a theory of operation is: the pier main body 1 mainly comprises a pier body 7 and a pier body 3, wherein the pier body 7 is used for dispersedly and uniformly transmitting a large and concentrated force transmitted from a bridge span support to the pier body 3 and a pier foundation 4, the pier body 3 and the pier body 7 are main structures for supporting the bridge span and not only bear all loads transmitted from the bridge span structure, a telescopic device in the bridge can improve the displacement control condition of the bridge due to the buffer blocks 305 arranged between the middle beams, but also can reduce the instantaneous side tipping of the pier body 3 and the torsional stress of the middle beams when an automobile passes through the middle beams due to the fact that the buffer blocks 305 are arranged at the height center of the pier body 3, the length of the pull rods is positioned by the buffer blocks 305, the maximum seam width is effectively controlled, the buffer blocks 305 have the characteristics of reliable stress, uniform telescopic maintenance, and the like, the reinforcing steel bar framework 301 and the reinforcing steel bars 303 in the pier body 3 can increase the supporting effect of the bridge and simultaneously can increase the supporting effect of the bridge The antitorque ability of bridge, the buffer action to the bridge can be played in setting up of shockproof dog 201, set up the collision response that buffer block 305 can effectively reduce the structure in roof beam seam department, when buffer block 305 and beam-ends reserve the clearance, the meeting of the impact and the displacement of girder reduce along with the reduction in clearance, after the beam seam is filled closely knit, the impact and the displacement of structure are little a lot when comparing and leaving the clearance, the cushioning effect reaches the best, it is closely knit to fill between buffer block 305 and beam seam, behind beam bridge installation buffer block 305, along with the increase of pier, substructure is its leading effect gradually in the structure motion, simultaneously beam bridge's impact and displacement response can increase thereupon, the impact and the displacement response of continuous beam bridge can reduce gradually, and the continuous beam bridge is behind filling buffer block 305, can effectively avoid the emergence of collision.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a be used for shock-absorbing pier structure of bridge, includes pier main part (1), its characterized in that, the upper end of pier main part (1) is provided with bridge floor (2), the lower extreme of bridge floor (2) is provided with pier shaft (3), be provided with between bridge floor (2) and pier shaft (3) side wall (6), the lower extreme of side wall (6) is provided with platform body (7), the lower extreme of pier shaft (3) is provided with basement pile column (5), be provided with pier basis (4) between basement pile column (5) and pier shaft (3).

2. The bridge pier structure for damping the shock of the bridge according to claim 1, wherein a steel reinforcement framework (301) is arranged on the inner side of the bridge pier body (3), a concrete pouring core (302) is arranged at the lower end of the steel reinforcement framework (301), embedded reinforcing steel bars (303) are arranged on the outer side of the concrete pouring core (302), side sealing plates (304) are arranged on the outer side of the embedded reinforcing steel bars (303), and a buffer block (305) is arranged at the upper end of the steel reinforcement framework (301).

3. The bridge pier structure for damping the shock of the bridge according to claim 1, wherein a stud (204) is arranged between the bridge deck (2) and the pier body (3), a back wall (202) is arranged between the stud (204) and the bridge deck (2), a shock-proof stop block (201) is arranged on one side of the back wall (202), a cover beam (203) is arranged on the side end of the stud (204), and an elastic press pin (205) is arranged between the stud (3) and the stud body (204).

4. The bridge pier structure for damping the shock of the bridge according to claim 3, wherein the shock-proof stopper (201) is fixedly connected with the ear wall (204), the capping beam (203) is fixedly connected with the ear wall (204), the back wall (202) is connected with the ear wall (204) through a steel bar, and the elastic pressing pin (205) is rotatably connected with the pier body (3).

5. The bridge pier structure for damping the shock of the bridge according to claim 2, wherein the steel reinforcement cage (301) is fixedly connected with a concrete pouring core (302), the embedded reinforcing steel bars (303) are fixedly connected with the concrete pouring core (302), the side sealing plates (304) are fixedly connected with a pier body (3), and polyurethane compression springs are arranged inside the buffer blocks (305).

6. The bridge pier structure for damping the shock of the bridge according to claim 1, wherein the foundation pile (5) is fixedly connected with a bridge pier foundation (4), the bridge pier body (3) is fixedly connected with the bridge pier foundation (4), and the side wall (6) is fixedly connected with the platform body (7).

7. The pier structure for damping the shock of the bridge of claim 1, wherein the bridge deck (2) is connected with the side walls (6) through steel bars, and the platform body (7) is fixedly connected with the pier bodies (3).