CN219824872U

CN219824872U - Novel convex back wall structure of integral roadbed bridge

Info

Publication number: CN219824872U
Application number: CN202320205871.1U
Authority: CN
Inventors: 闫祥飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-10-13
Anticipated expiration: 2033-02-14

Abstract

The utility model relates to the technical field of bridge back walls and discloses a novel convex back wall structure of an integral roadbed bridge, which comprises a bridge abutment and a back wall, wherein the back wall is transversely and integrally poured on the surface of the bridge abutment, the inside of the bridge abutment and the back wall are filled with steel reinforcement frameworks, a retaining plate is fixedly embedded in the back wall surface of the bridge abutment at equal intervals, a clamping groove is formed in the retaining plate, the clamping groove is communicated with the outside through a penetrating opening on the outer surface of the retaining plate, a clamping block is inserted in the clamping groove, a rubber block is integrally connected to the surface of the clamping block, and the rubber block penetrates to the outside of the clamping groove through the penetrating opening. According to the technical scheme, the bearing plate is fixedly embedded in the surface of the back wall, which is close to the mounting side of the beam body, the surface of the bearing plate is fixedly provided with the replaceable rubber pad and is contacted with the side edge of the beam body, when the beam body is deformed in the daily use process of the bridge, the side edge of the beam body is contacted with the back wall through the rubber block, and the rigid contact is avoided, so that the vibration transmission is reduced, the buffering effect is achieved, and the safety of the structure is improved.

Description

Novel convex back wall structure of integral roadbed bridge

Technical Field

The utility model relates to the technical field of bridge back walls, in particular to a novel convex back wall structure of an integral roadbed bridge.

Background

The bridge is a structure which is erected on rivers, lakes and seas and can smoothly pass vehicles, pedestrians and the like, is also a building which is erected to span mountain, poor geology or meet other traffic requirements and is more convenient to pass, the part above a bridge abutment bearing platform (transverse bridge direction) of the back wall is a back wall, the two sides of the back wall are earwalls in an inverted triangle shape, and the two sides are distributed like ears of people.

The back wall is a structure for supporting the butt strap and separating the bridge strap from the roadbed, and after the bridge body of the bridge is installed, an expansion joint structure is formed between the bridge body and the back wall, so that the influence on the structure caused by thermal expansion and cold contraction between the bridge bodies can be reduced.

For the above-described related art, at least the following drawbacks are also present: the existing bridge is installed on the bridge abutment through the support matched with the filler stone and forms a certain gap with the back wall, when the bridge is in telescopic deformation, the problem that the side edge of the bridge body is abutted against the back wall exists, and the rigid contact between the bridge and the back wall can transfer vibration, so that the potential safety hazard of the structure is large. Therefore, we propose a novel convex back wall structure of integral road bed bridge.

Disclosure of Invention

The utility model aims to provide a novel convex back wall structure of an integral roadbed bridge, which is characterized in that a retaining plate is fixedly embedded on the surface of the back wall, which is close to one side of a beam body, and a replaceable rubber pad is fixedly arranged on the surface of the back wall and is contacted with the side edge of the beam body.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a novel convex back wall structure of integral road bed bridge, includes abutment and back wall, the horizontal holistic pouring of back wall is at the surface of abutment, and abutment and back wall's inside all is full of the reinforcement cage; the abutment plates are fixedly embedded in the back wall surface of the abutment surface at equal intervals, clamping grooves are formed in the abutment plates, the clamping grooves are communicated with the outside through penetrating openings in the outer surfaces of the abutment plates, clamping blocks are inserted in the clamping grooves, the whole surface of each clamping block is connected with a rubber block, and the rubber blocks penetrate to the outside of the corresponding clamping grooves through the penetrating openings; and a clamping plate parallel to the retaining plate is fixedly welded on the surface of one side of the retaining plate, which is close to the back wall, through connecting ribs, and the clamping plate is poured and embedded into the back wall.

Through adopting above-mentioned technical scheme, can be after finishing the construction of strap, road bed to with the beam body of bridge in place after, select suitable rubber piece to insert the mode of draw-in groove through the fixture block and fix on the surface of strap and be close to the beam body side, its side and back wall exist rigid contact when can avoiding the beam body to warp, play the cushioning effect and reduce the transmission of vibration, improve the reliability of structure.

Optionally, the surface of abutment is even to be provided with the filler stone, and filler stone and abutment surface are connected as an integer.

Through adopting above-mentioned technical scheme, when the installation roof beam body, make the support be installed on the filler stone, then utilize the support to install the roof beam body.

Optionally, the surface of abutment both sides all is provided with the dog through the mode of pouring, and the dog is connected into overall structure with the abutment.

Through adopting above-mentioned technical scheme, the dog of both sides has the effect of location installation when installing the roof beam body.

Optionally, the whole that the both sides surface that the abutment was kept away from to the back wall is all perpendicular is connected with the earwall, and the earwall is connected as whole with the back wall through the mode of pouring.

By adopting the technical scheme, the blocking of filling soil on the side is realized by utilizing the ear wall, and the stability of the foundation is ensured by matching with the back wall.

Optionally, the bracket is integrally connected with the side edge of the back wall between the ear walls, and the bracket is connected with the back wall in a pouring mode.

Through adopting above-mentioned technical scheme, utilize the bracket to realize the support to the lapping plate, later can carry out the construction of road bed on its surface.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

1. according to the technical scheme, the bearing plate is fixedly embedded in the surface of the back wall, which is close to the mounting side of the beam body, the surface of the bearing plate is fixedly provided with the replaceable rubber pad and is contacted with the side edge of the beam body, when the beam body is deformed in the daily use process of the bridge, the side edge of the beam body is contacted with the back wall through the rubber block, and the rigid contact is avoided, so that the vibration transmission is reduced, the buffering effect is achieved, and the safety of the structure is improved.

2. According to the technical scheme, the rubber block is fixed on the surface of the retaining plate in a mode that the clamping block is inserted into the clamping groove, and the detachable arrangement can be convenient to replace when the rubber block is seriously aged.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic top view of a convex back wall structure of a novel integral roadbed bridge of the present utility model;

fig. 2 is a schematic diagram of a retaining plate fixing structure of a convex back wall structure of the novel integral roadbed bridge.

In the figure: 1. a bridge abutment; 11. a filler stone; 12. a stop block; 2. a back wall; 21. a bracket; 3. an ear wall; 4. a retaining plate; 41. connecting ribs; 42. a clamping plate; 43. a clamping groove; 44. a through hole; 5. a rubber block; 51. and (5) clamping blocks.

Detailed Description

Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a novel convex back wall structure of integral road bed bridge, including abutment 1, back wall 2 and earwall 3, the horizontal holistic construction of pouring of back wall 2 is on abutment 1's surface, and earwall 3 is provided with two and connects in the both sides of back wall 2 through the mode of pouring, the holistic bracket 21 that is connected with of back wall 2 side between the both sides earwall 3, bracket 21 is connected with back wall 2 through the mode of pouring, abutment 1, back wall 2, bracket 21 and the inside of earwall 3 are all full of the reinforcement cage, the reinforcement cage of four is connected as an entirety, and when being under construction, through twice pouring mode, pour construction to abutment 1 earlier, then pour construction to back wall 2, earwall 3 and the bracket 21 of back wall 2 side, back wall 2 side between the earwall 3 is filled with earth work, afterwards can set up the board on bracket 21, and the construction of foundation;

the surface of abutment 1 is even to be provided with the filler 11, and filler 11 is whole with abutment 1 surface connection, and abutment 1 both sides's surface all is provided with dog 12 through the mode of pouring, and dog 12 is connected to overall structure with abutment 1, when installing the bridge, can make the support be installed on filler 11's surface, then utilize the support to support in the bottom of the roof beam body, install fixedly the roof beam body to at the in-process of installation, provide location and spacing effect when utilizing the dog 12 of both sides for the roof beam body installation, ensure that the wall body is truly installed in place.

The abutment plates 4 are fixedly embedded in the surface of the back wall 2 on the surface of the bridge abutment 1 at equal intervals, a plurality of connecting ribs 41 are uniformly welded and fixed on the surface of one side, close to the back wall 2, of the abutment plates 4, clamping plates 42 are fixedly welded at the tail ends of the connecting ribs 41, the clamping plates 42 are parallel to the abutment plates 4, the clamping plates 42 and the connecting ribs 41 are embedded between the steel reinforcement frameworks inside the back wall 2 and are poured in the back wall 2, and therefore sufficient stability of the abutment plates 4 in connection with the back wall 2 can be ensured;

the clamping groove 43 is formed in the abutting plate 4, the penetrating opening 44 is formed in the surface of the abutting plate 4, the clamping groove 43 is communicated with the penetrating opening 44, the upper side of the clamping groove 43 and the upper side of the penetrating opening 44 are communicated with the outside, the clamping block 51 is inserted into the clamping groove 43 through the upper opening of the clamping groove 43, further locking of the rubber block 5 on the surface of the abutting plate 4 is achieved, the rubber block 5 is inserted into the penetrating opening 44 from the upper opening of the penetrating opening 44, the rubber block 5 and the clamping block 51 are connected into a whole, after the rubber block 5 is fixed in place, the surface of the rubber block is close to the side edge of the beam body, finally pavement of a bridge deck and a pavement is carried out on the surface of a foundation, the bridge deck and the side edge of the beam body can be contacted when the beam body is deformed, rigid contact between the beam body and the back wall 2 is avoided, vibration transmission of the beam body is reduced, the structure has the effects of protecting and buffering, when the rubber block 5 is seriously aged, the clamping block 51 can be moved out from the clamping groove 43 upwards, the rubber block 5 is also moved to the outside the penetrating opening 44, the old block 5 is replaced, and a new effect is continuously played.

During construction, earth filling construction is carried out between the ear walls 3, then one end of the bridge head butt strap is put on the upper side of the bracket 21 on the side edge of the back wall 2, roadbed construction is carried out on the surface of the butt strap, a support is arranged on the bolster 11 above the bridge abutment 1 on the other side of the back wall 2, the beam body of the bridge is supported above the bolster 11 through the support after being positioned between the stop blocks 12 on the two sides, the purpose of fixing the rubber block 5 on the surface of the butt strap 4 is achieved through the mode that the stop blocks 51 are inserted into the clamping grooves 43, the surface of the rubber block 5 is made to be as close to the side edge of the beam body as possible, finally pavement of bridge deck and pavement is carried out on the surface of the foundation and the beam body, in the later use process, the beam body is in contact with the rubber block 5 fixed on the surface of the butt strap 4 when deformed, further rigid contact with the back wall 2 is avoided, vibration transmission of the beam body is reduced, resonance between the beam body and the bridge abutment 1 and the back wall 2 is reduced, safety of the structure is improved, and when the rubber block 5 is aged, the stop blocks 51 can be pulled out from the clamping grooves 43, and new rubber blocks 5 can be taken down.

Claims

1. Novel convex back wall structure of integral road bed bridge, including abutment (1) and back wall (2), its characterized in that: the back wall (2) is transversely and integrally poured on the surface of the bridge abutment (1), and the bridge abutment (1) and the back wall (2) are internally filled with reinforcement cages;

the bridge abutment comprises a bridge abutment body, wherein a retaining plate (4) is fixedly embedded in the surface of a back wall (2) on the surface of the bridge abutment body (1) at equal intervals, a clamping groove (43) is formed in the retaining plate (4), the clamping groove (43) is communicated with the outside through a through hole (44) on the outer surface of the retaining plate (4), a clamping block (51) is inserted in the clamping groove (43), a rubber block (5) is integrally connected to the surface of the clamping block (51), and the rubber block (5) penetrates to the outside of the clamping groove (43) through the through hole (44);

and a clamping plate (42) parallel to the retaining plate (4) is welded and fixed on the surface of one side, close to the back wall (2), of the retaining plate through connecting ribs (41), and the clamping plate (42) is poured and embedded into the back wall (2).

2. The convex back wall structure of the novel integral roadbed bridge according to claim 1, wherein: the surface of abutment (1) is even to be provided with filler stone (11), and filler stone (11) are connected as an integer with abutment (1) surface.

3. The convex back wall structure of the novel integral roadbed bridge according to claim 1, wherein: the surface of abutment (1) both sides all is provided with dog (12) through the mode of pouring, and dog (12) are connected into overall structure with abutment (1).

4. The convex back wall structure of the novel integral roadbed bridge according to claim 1, wherein: the bridge abutment is characterized in that the whole body, which is perpendicular to the surfaces of the two sides of the back wall (2) far away from the bridge abutment (1), is connected with an ear wall (3), and the ear wall (3) is connected with the back wall (2) into a whole body through a pouring mode.

5. The convex back wall structure of the novel integral roadbed bridge according to claim 4, wherein: the bracket (21) is integrally connected with the side edge of the back wall (2) between the ear walls (3), and the bracket (21) is connected with the back wall (2) in a pouring mode.