CN216304411U - Expansion joint for bridge anti-collision wall - Google Patents
Expansion joint for bridge anti-collision wall Download PDFInfo
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- CN216304411U CN216304411U CN202120575973.3U CN202120575973U CN216304411U CN 216304411 U CN216304411 U CN 216304411U CN 202120575973 U CN202120575973 U CN 202120575973U CN 216304411 U CN216304411 U CN 216304411U
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- steel plate
- collision wall
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Abstract
The utility model provides an expansion joint for a bridge anti-collision wall, which comprises: special-shaped steel plate and flexible sealing strip, the special-shaped steel plate is the double-deck plate structure, is equipped with the mounting groove between the inner panel of special-shaped steel plate and outer panel, and flexible sealing strip sets up in the mounting groove and fixed mounting is on the special-shaped steel plate, and special-shaped steel plate fixed mounting is close to bridge railing's one end at crashproof wall, and spacing broach group fixed mounting is close to the one end of bridge beam body at crashproof wall, and spacing broach group includes: two spacing broach that the structure is the same completely, two spacing broach socket joint slip settings have the effect that improves expansion joint life and clean and tidy nature.
Description
Technical Field
The utility model belongs to the technical field of bridge construction, and particularly relates to an expansion joint for a bridge anti-collision wall.
Background
In order to meet the requirement of bridge temperature deformation, expansion joints are usually arranged between two beam ends, between the beam ends and an abutment or at the hinged position of the bridge. The expansion joint is required to freely expand and contract in two directions parallel to and perpendicular to the axis of the bridge, and is firm and reliable. The anticollision wall department that sets up the expansion joint also needs the disconnection and sets up flexible and shelter from the device to satisfy the bridge flexible and prevent that the foreign matter from dropping under the bridge.
At present, most expansion joints of the bridge anti-collision wall adopt cover plates or telescopic sealing belt type. The cover plate type expansion joint is fixed by adopting a single end or double ends, and two ends of the expansion sealing strip are fixed by steel pressing strips. When snowing in northern areas, particularly in northeast areas, the bridge floor is easy to accumulate snow, and when a snow cleaning vehicle works on the bridge floor, the extending joint is easy to damage, so that the service life of the expansion joint is greatly shortened; because of steel apron or flexible sealed belt steel layering are installed again after the anticollision wall construction is accomplished, relatively poor with the linking of anticollision wall, influence clean and tidy nature.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that the service life of an expansion joint is shortened and the tidiness is poor due to the fact that an existing installation structure of the expansion joint of the bridge anti-collision wall is unstable in the background art, and provides the expansion joint for the bridge anti-collision wall, which has the effects of prolonging the service life of the expansion joint and improving the tidiness of the expansion joint.
The technical scheme provided by the utility model is as follows:
an expansion joint for a bridge impact wall, comprising: the special-shaped steel plate is of a double-layer plate structure, an installation groove is formed between an inner side plate and an outer side plate of the special-shaped steel plate, the telescopic sealing strip is arranged in the installation groove and fixedly installed on the special-shaped steel plate, and the special-shaped steel plate is fixedly installed at one end, close to a bridge guardrail, of the anti-collision wall through steel bar pouring;
spacing broach group fixed mounting is close to the one end of the bridge roof beam body at crashproof wall, spacing broach group includes: the two limiting comb teeth are completely the same in structure, and the racks of the two limiting comb teeth are arranged in a socket sliding manner. The installation of deformed steel, fishback before pouring crashproof wall concrete can guarantee to set up on same horizontal plane with the concrete face.
Preferably, the inner side plate and the outer side plate of the deformed steel plate are connected through special inner angle bolts.
Preferably, one end of the special inner angle bolt is embedded in the outer side plate and is arranged on the same horizontal plane with the outer side plate.
Preferably, a concrete pouring template is arranged on the side wall of the profiled steel sheet inner side plate.
Preferably, the thickness of the concrete pouring template is 3 to 10 mm.
Preferably, the inner side plate of the profiled steel sheet has a thickness of 3 to 8 mm and a width of 100 to 200 mm.
Preferably, the outer side plate of the profiled steel sheet has a thickness of 6 to 16 mm and a width of 100 to 200 mm.
Preferably, both ends of the telescopic sealing band are respectively limited in the mounting groove through limit baffles.
Preferably, the length of the rack of the limiting comb teeth is 155-350 mm.
Preferably, the deformed steel plate, the limiting comb teeth and the limiting baffle are all made of galvanized steel.
The beneficial effects of the utility model are embodied in the following aspects:
1. the mounting groove is formed in the deformed steel plate, the telescopic sealing strip is fixed in the mounting groove, the reinforcing steel bars welded in the inner side plate are poured in concrete of the anti-collision wall, firmness of the deformed steel plate can be improved, meanwhile, the limiting comb tooth group is arranged at one end, close to the beam body, of the anti-collision wall and can stretch along with the bridge, the limiting comb tooth can adapt to impact of operation equipment on the bridge, such as a snow sweeper and the like, in different directions, stability of the expansion joint is further improved, firmness of the deformed steel is beneficially improved, and service life of the expansion joint is further beneficially prolonged.
2. According to the utility model, the limiting comb tooth group and the special-shaped steel plate are arranged on the same vertical horizontal plane, the inner and outer side plates of the special-shaped steel plate are connected through the inner angle bolts, and the two ends of the further telescopic sealing strip and the special-shaped steel plate are also arranged on the same plane, so that the expansion joint structure is more reasonable, and the improvement of the integral tidiness is facilitated.
Drawings
FIG. 1 is a schematic view of the mounting structure of the present invention;
FIG. 2 is a top view of a profiled steel sheet;
fig. 3 is a schematic view of the split structure of the present invention.
In the figure: 1 deformed steel plate, 2 flexible sealing strips, 3 limit baffle, 4 special interior angle bolts, 5 limit comb teeth, 6 mounting grooves, 7 reinforcing steel bars, 8 concrete pouring templates.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the utility model by referring to the description text.
As shown in fig. 1 to 3, the present invention provides an expansion joint for a bridge anti-collision wall, comprising: the special-shaped steel plate comprises a special-shaped steel plate and a telescopic sealing strip 2, wherein the special-shaped steel plate 1 is of a double-layer plate structure, an installation groove 6 is formed between an inner side plate and an outer side plate of the special-shaped steel plate 1, the telescopic sealing strip 2 is arranged in the installation groove 6 and is fixedly installed on the special-shaped steel plate 1, and the special-shaped steel plate 1 is fixedly installed at one end, close to a bridge guardrail, of an anti-collision wall through pouring of reinforcing steel bars 7; the welded reinforcing bar 7 of shaped steel inboard side panel is pour in crashproof wall concrete, can improve the fastness of shaped steel board, and concrete placement template 8 on the lateral wall has made things convenient for the construction of crashproof wall promptly as crashproof wall side form board, has also increased the fastness of shaped steel board.
5 group's fixed mounting of spacing broach are close to the one end of the bridge roof beam body at the anticollision wall, 5 groups of spacing broach include: the device comprises two limiting comb teeth 5 with the same structure, wherein the racks of the two limiting comb teeth 5 are arranged in a socket sliding manner. The length of the rack of the limiting comb teeth 5 is 155-350 mm, which is beneficial to adapting the expansion joint of the bridge caused by temperature to expand in a large range, ensures that each rack of the limiting comb teeth 5 always keeps a socket state, improves the capability of resisting the impact of a snow cleaning vehicle, and further improves the stability of the expansion joint.
The working principle of the utility model is as follows: the special-shaped steel inner and outer steel plates are combined, connected by bolts and filled by foaming glue, so that gaps among the steel plates are prevented from being blocked during concrete pouring. Fill up between interior outer panel and be equipped with the gasket, install two sets of deformed steel sheet at the anticollision wall end respectively, be connected with anticollision wall reinforcing bar 7 and consolidate, fix a position, according to bridge anticollision wall design requirement adaptation size, install the fishback on the anticollision wall, be connected with anticollision wall reinforcing bar 7 and consolidate the location. The distance of the comb plate is calculated according to the bridge temperature and the telescopic deformation amount during positioning, so that the steel plates are prevented from being extruded or separated due to temperature change. After crashproof wall concrete placement accomplished, crashproof wall concrete placement accomplished the back, clearance deformed steel inter-plate's foaming glue, with flexible sealing strip 2 insert in the mounting groove 6 between the deformed steel inter-plate, fix with the bolt, and both ends are spacing through 3 spacing improvement whole clean and tidy nature of being of value to of limit baffle. According to above-mentioned process expansion joint installation completion, when the crashproof wall takes place the striking and takes place flexible activity, the expansion joint can be more firm, has set up spacing broach 5 group through the one end that is close to the roof beam body at the crashproof wall simultaneously, can stretch out and draw back along with the bridge, and spacing broach 5 is in order to adapt to the striking of operation equipment on bridges such as snow sweeper in the equidirectional not, has further improved the stability at expansion joint, is of value to the fastness that increases deformed steel, further is of value to the life who improves the expansion joint. The length of the rack of the limiting comb teeth 5 is 155-350 mm, and a larger telescopic moving range is provided for the limiting comb teeth 5 in the telescopic process, so that the integral stability is further improved, and the service life of the utility model is prolonged. The special-shaped steel plate 1, the limiting comb teeth 5 and the limiting baffle 3 are all made of galvanized steel, so that the corrosion resistance of each steel structure in the utility model is improved, and the service life is prolonged.
While embodiments of the utility model have been disclosed above, it is not intended to be limited to the uses set forth in the specification and examples. It can be applied to all kinds of fields suitable for the present invention. Additional modifications will readily occur to those skilled in the art. It is therefore intended that the utility model not be limited to the exact details and illustrations described and illustrated herein, but fall within the scope of the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an expansion joint for bridge anticollision wall which characterized in that includes: the special-shaped steel plate is of a double-layer plate structure, an installation groove is formed between an inner side plate and an outer side plate of the special-shaped steel plate, the telescopic sealing strip is arranged in the installation groove and fixedly installed on the special-shaped steel plate, and the special-shaped steel plate is fixedly installed at one end, close to the bridge guardrail, of the anti-collision wall;
spacing broach group fixed mounting is close to the one end of the bridge roof beam body at crashproof wall, spacing broach group includes: the two limiting comb teeth are completely the same in structure and are arranged in a socket sliding mode.
2. The expansion joint for the anti-collision wall of the bridge as claimed in claim 1, wherein the inner side plate and the outer side plate of the deformed steel plate are connected through special inner angle bolts.
3. The expansion joint for the anti-collision wall of the bridge as claimed in claim 2, wherein one end of the special inner angle bolt is embedded in the outer side plate and is arranged on the same horizontal plane with the outer side plate.
4. The expansion joint for the anti-collision wall of the bridge as claimed in claim 3, wherein a concrete pouring template is arranged on the side wall of the profiled steel sheet inner side plate.
5. An expansion joint for an anti-collision wall of a bridge as claimed in claim 4, wherein the thickness of the concrete pouring template is 3-10 mm.
6. The expansion joint for an anti-collision wall of a bridge as claimed in claim 5, wherein the inner side plate of the profiled steel plate has a thickness of 3-8 mm and a width of 100-200 mm.
7. The expansion joint for an anti-collision wall of a bridge as claimed in claim 6, wherein the outer plate of the profiled steel plate has a thickness of 6-16 mm and a width of 100-200 mm.
8. The expansion joint for the anti-collision wall of the bridge as claimed in claim 7, wherein both ends of the expansion sealing tape are respectively limited in the installation groove by a limit baffle.
9. The expansion joint for the anti-collision wall of the bridge as claimed in claim 8, wherein the rack length of the limiting comb teeth is 155-350 mm.
10. The expansion joint for the anti-collision wall of the bridge as claimed in claim 9, wherein the deformed steel plate, the limiting comb teeth and the limiting baffle are made of galvanized steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120575973.3U CN216304411U (en) | 2021-03-22 | 2021-03-22 | Expansion joint for bridge anti-collision wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120575973.3U CN216304411U (en) | 2021-03-22 | 2021-03-22 | Expansion joint for bridge anti-collision wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216304411U true CN216304411U (en) | 2022-04-15 |
Family
ID=81080586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120575973.3U Active CN216304411U (en) | 2021-03-22 | 2021-03-22 | Expansion joint for bridge anti-collision wall |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216304411U (en) |
-
2021
- 2021-03-22 CN CN202120575973.3U patent/CN216304411U/en active Active
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