CN218911116U - Expansion joint structure for bridge - Google Patents
Expansion joint structure for bridge Download PDFInfo
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- CN218911116U CN218911116U CN202223498143.9U CN202223498143U CN218911116U CN 218911116 U CN218911116 U CN 218911116U CN 202223498143 U CN202223498143 U CN 202223498143U CN 218911116 U CN218911116 U CN 218911116U
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- section steel
- expansion joint
- bridge
- elastomer
- groove
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Abstract
The utility model discloses an expansion joint structure for a bridge, which comprises the following components: section steel A, section steel B, reinforcing component A, reinforcing component B, the layer board, the elastomer, section steel A sets up in expansion joint department and is connected with one side bridge, section steel A has recess A towards the opposite side bridge of expansion joint, section steel B sets up in expansion joint department and is connected with the opposite side bridge, section steel B is provided with recess B towards section steel A, reinforcing component A connects in recess A, reinforcing component B connects in recess B, the layer board sets up in expansion joint department and is connected with the bridge of both sides, the layer board seals the region between section steel A and the section steel B downside, the elastomer is filled in recess A, recess B and the region that the section steel is around forming. Through setting up the layer board in elastomer below, lift the elastomer by the layer board, can prevent that the elastomer from taking place deformation downwards or the condition that the elastomer dropped down from appearing to improved the stability that the elastomer was fixed a position, improved the stability of expansion joint structure.
Description
Technical Field
The utility model relates to the technical field of bridges, in particular to an expansion joint structure for rural highway bridges.
Background
The elastomer expansion joint in the existing rural highway bridge is composed of an elastomer and special-shaped steel, a foam board is clamped between a beam end and a bridge abutment back wall, the extension and shortening of a bridge body are completed through the self deformation of the elastomer, and at present, the problem and the defect of the elastomer expansion joint exist:
1. the foam board is clamped between the beam end and the bridge abutment back wall, the foam board is compressed and deformed when the board beam is elongated in summer, and the foam board is easy to slide down when the board beam is shortened in winter, so that a gap exists between the elastic body and the foam board, and the elastic body is easy to deform down under the action of vehicle load and external high temperature conditions;
2. debris such as stones, silt on the road surface easily get into and deposit on the elastomer that has warp, under vehicle load and outside high temperature condition effect, aggravate the elastomer and warp downwards, arouse the destruction of expansion joint.
Disclosure of Invention
The embodiment of the application is used for solving the problem that an elastic body is easy to deform downwards by providing the expansion joint structure for the bridge.
The embodiment of the application provides an expansion joint structure for bridge, include:
the section steel A is arranged at the expansion joint and connected with one side bridge, and the bridge of the section steel A facing the other side of the expansion joint is provided with a groove A;
the section steel B is arranged at the expansion joint and connected with the bridge at the other side, a gap is reserved between the section steel B and the section steel A, and a groove B is formed in the section steel B towards the section steel A;
a reinforcement assembly a connected in the recess a;
a reinforcement assembly B connected in the groove B;
the supporting plate is arranged at the expansion joint and is connected with bridges on two sides, and the supporting plate seals the area between the lower sides of the section steel A and the section steel B;
the elastic body is filled in the area formed by the groove A, the groove B and the section steel in a surrounding mode;
the foam board is arranged in the expansion joint and is positioned below the supporting plate.
The beneficial effects of the above embodiment are that: through setting up the layer board in elastomer below, lift the elastomer by the layer board, can prevent that the elastomer from taking place deformation downwards or the condition that the elastomer dropped down from appearing to improved the stability that the elastomer was fixed a position, improved the stability of expansion joint structure.
On the basis of the above embodiment, the embodiment of the present application may further be modified as follows:
in one of the embodiments of the present application: and the section steel A and the reinforcing component A, the section steel B and the reinforcing component B form a mirror symmetrical structure. The beneficial effects of this step are: the stress of the symmetrical structure is more uniform, and the structural stability is good.
In one of the embodiments of the present application: the reinforcement assembly a includes: the connecting pieces A are multiple and are sequentially connected to the wall of the groove A along the length direction of the groove A; the sleeves are multiple, correspond to the connecting plates A and are connected with each other. The beneficial effects of this step are: the stability of the elastomer connection in grooves a and B can be improved by the sleeve.
In one of the embodiments of the present application: the reinforcement assembly a further includes: and the connecting piece B is sequentially inserted into the sleeve and connected with the sleeve. The beneficial effects of this step are: the sleeve is connected into an integral structure through the connecting piece B, so that the stability and the deformation resistance of the integral structure are improved.
In one of the embodiments of the present application: further comprises: and the connecting piece C is used for connecting the supporting plate with the bridge.
In one of the embodiments of the present application: the pallet includes: the connecting section is symmetrically arranged on two sides of the telescopic section, the connecting section is used for being connected with a bridge, and the telescopic section is of a protruding arc-shaped structure towards one side of the foam board. The beneficial effects of this step are: by arranging the telescopic section, the adaptability of the support plate to the deformation of the expansion joint is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
FIG. 1 is a schematic view of an expansion joint structure for a bridge;
fig. 2 is a partial enlarged view of a in fig. 1.
Wherein, 1-type steel A,101 groove A;
2-section steel B,201 groove B;
3 reinforcing component a,301 connector a,302 sleeve, 303 connector B;
4, reinforcing the component B;
5 supporting plates, 501 connecting sections and 502 telescopic sections;
6 an elastomer;
7, foam board;
8 connection member C.
Detailed Description
In this application, unless explicitly stated and limited otherwise, terms such as mounting, connecting, securing, affixing, etc., should be construed broadly, and may be, for example, fixedly attached, detachably attached, or integrally formed; the connection can be mechanical connection, and the mechanical connection mode can be selected from proper connection modes in the prior art, such as welding, riveting, threaded connection, bonding, pin connection, key connection, elastic deformation connection, buckle connection, interference connection and injection molding; or may be electrically connected to transmit energy or signals via electricity; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
As shown in fig. 1 and 2, an expansion joint structure for a bridge includes: section steel A1, section steel B2, reinforcing component A3, reinforcing component B4, layer board 5, elastomer 6, foam board 7, section steel A1 sets up in expansion joint department and is connected with one side bridge, section steel A1 has recess A101 towards the opposite side bridge of expansion joint, section steel B2 sets up in expansion joint department and is connected with the opposite side bridge, clearance has between section steel B2 and the section steel A1, section steel B2 is provided with recess B201 towards section steel A1, reinforcing component A3 connects in recess A101, reinforcing component B4 connects in recess B201, layer board 5 sets up in expansion joint department and is connected with the bridge of both sides, layer board 5 seals the region between section steel A1 and the section steel B2 downside, elastomer 6 is filled in recess A101, in recess B201 and the region that the shaped steel centers on formation, foam board 7 sets up in the expansion joint, foam board 7 is located layer board 5 below.
When the section steel A1 and the section steel B2 are connected with the bridge, the section steel A1 and the section steel B2 are required to be welded with steel bars in the bridge.
As shown in fig. 1 and 2, the section steel A1 and the reinforcing component A3, the section steel B2 and the reinforcing component B4 form a mirror symmetrical structure, that is, the reinforcing component A3 and the reinforcing component B4 are actually formed by the same parts, but are arranged in opposite directions, so only the parts of the reinforcing component A3 are described below, and the details of the reinforcing component B4 are not described again.
As shown in fig. 1 and 2, the reinforcement assembly A3 includes: the connecting piece A301 and the sleeve 302, the connecting piece A301 is provided with a plurality of groove walls which are sequentially connected to the groove A101 along the groove length direction of the groove A101, the sleeve 302 is provided with a plurality of groove walls which are mutually corresponding to the connecting plate A and are mutually connected, the connecting piece A301 is of a plate-shaped structure, one side of the connecting piece A301 is welded to the groove walls of the groove A101, the other side of the connecting piece A301 is welded to the outer wall of the sleeve 302, and when the elastic body 6 is coated on the outer side and the inner side of the sleeve 302, the sleeve 302 can improve the stability of the elastic body 6 positioned between the groove A101 and the groove B201.
As shown in fig. 1 and 2, the reinforcement assembly A3 further includes: and the connecting piece B303 is used for connecting the sleeve 302 in series into an integral structure, so that the integral strength and the deformation resistance are improved.
As shown in fig. 1 and 2, the pallet 5 includes: the connecting section 501, flexible section 502, the connecting section 501 symmetry sets up in the both sides of flexible section 502, the connecting section 501 is used for being connected with the bridge, flexible section 502 is towards the bellied arc structure in foam board 7 one side, set up the aim at of flexible section 502, because expansion joint width can change, so need layer board 5 also can have certain surplus to take place deformation, so design flexible section 502 into arc structure, change in adaptation expansion joint width's change by arc structure size, and the everywhere stress of arc structure is comparatively even, deformation also can be comparatively even, make flexible section 502 be difficult to take place the damage in long-term use.
As shown in fig. 1 and 2, the expansion joint structure for a bridge further includes: connecting piece C8, connecting piece C8 is with layer board 5 and bridge connection, and connecting piece C8 adopts: the bolts need to be buried in the bridge, then the through holes are formed in the connecting sections 501, and the supporting plates 5 are connected between the bridges in a mode that the bolts penetrate through the through holes and are in threaded connection with the threaded sleeves.
This kind of expansion joint structure for bridge is through setting up layer board 5 in elastomer 6 below, lifts elastomer 6 by layer board 5, can prevent that elastomer 6 from taking place deformation or elastomer 6 from dropping down's condition from appearing to the stability of elastomer 6 location has been improved, the stability of expansion joint structure has been improved.
The foregoing is merely exemplary of the present utility model, and the specific structures and features well known in the art are not described in any way herein, so that those skilled in the art will be able to ascertain all prior art in the field, and will not be able to ascertain any prior art to which this utility model pertains, without the general knowledge of the skilled person in the field, before the application date or the priority date, to practice the present utility model, with the ability of these skilled persons to perfect and practice this utility model, with the help of the teachings of this application, with some typical known structures or methods not being the obstacle to the practice of this application by those skilled in the art. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent.
Claims (6)
1. An expansion joint structure for a bridge, comprising:
the section steel A is arranged at the expansion joint and connected with one side bridge, and the bridge of the section steel A facing the other side of the expansion joint is provided with a groove A;
the section steel B is arranged at the expansion joint and connected with the bridge at the other side, a gap is reserved between the section steel B and the section steel A, and a groove B is formed in the section steel B towards the section steel A;
a reinforcement assembly a connected in the recess a;
a reinforcement assembly B connected in the groove B;
the supporting plate is arranged at the expansion joint and is connected with bridges on two sides, and the supporting plate seals the area between the lower sides of the section steel A and the section steel B;
the elastic body is filled in the area formed by the groove A, the groove B and the section steel in a surrounding mode;
the foam board is arranged in the expansion joint and is positioned below the supporting plate.
2. The expansion joint structure for bridge according to claim 1, wherein the section steel a and the reinforcing component a form mirror-symmetrical structures with the section steel B and the reinforcing component B.
3. The expansion joint structure for bridge according to claim 2, wherein the reinforcing member a comprises:
the connecting pieces A are multiple and are sequentially connected to the wall of the groove A along the length direction of the groove A;
the sleeves are multiple, correspond to the connecting plates A and are connected with each other.
4. The expansion joint structure for bridge according to claim 3, wherein the reinforcing member a further comprises:
and the connecting piece B is sequentially inserted into the sleeve and connected with the sleeve.
5. The expansion joint structure for a bridge according to claim 1, further comprising:
and the connecting piece C is used for connecting the supporting plate with the bridge.
6. The expansion joint structure for bridge according to claim 5, wherein said pallet comprises: the connecting section is symmetrically arranged on two sides of the telescopic section, the connecting section is used for being connected with a bridge, and the telescopic section is of a protruding arc-shaped structure towards one side of the foam board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223498143.9U CN218911116U (en) | 2022-12-26 | 2022-12-26 | Expansion joint structure for bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223498143.9U CN218911116U (en) | 2022-12-26 | 2022-12-26 | Expansion joint structure for bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218911116U true CN218911116U (en) | 2023-04-25 |
Family
ID=86013812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223498143.9U Active CN218911116U (en) | 2022-12-26 | 2022-12-26 | Expansion joint structure for bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218911116U (en) |
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2022
- 2022-12-26 CN CN202223498143.9U patent/CN218911116U/en active Active
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