CN211973085U - Bridge expansion joint waterproof construction - Google Patents
Bridge expansion joint waterproof construction Download PDFInfo
- Publication number
- CN211973085U CN211973085U CN201922336477.8U CN201922336477U CN211973085U CN 211973085 U CN211973085 U CN 211973085U CN 201922336477 U CN201922336477 U CN 201922336477U CN 211973085 U CN211973085 U CN 211973085U
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- CN
- China
- Prior art keywords
- rubber strip
- expansion joint
- bridge expansion
- bridge
- mounting groove
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- 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
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Abstract
The utility model discloses a bridge expansion joint waterproof construction belongs to road bridge engineering technical field, including deformed steel beam, first rubber strip and second rubber strip, two of bridge expansion joint deformed steel beam relative anchor respectively is on the concrete layer at bridge both ends, two the symmetry is provided with twice rubber strip mounting groove respectively on the opposite face of deformed steel beam, the upper strata twice the first rubber strip of rubber strip mounting groove joint, lower floor rubber strip mounting groove joint second rubber strip. The utility model discloses bridge expansion joint waterproof construction can improve bridge expansion joint's waterproof performance, reduces because the ageing seepage that causes of rubber strip, reduces simultaneously and maintains the number of times, reduces the maintenance cost.
Description
Technical Field
The utility model relates to a road bridge engineering technical field especially relates to a bridge expansion joint waterproof construction.
Background
A bridge expansion joint is defined as an expansion joint between two beam ends, between a beam end and an abutment, or at a hinge joint of a bridge, in order to meet the requirement of deformation of a bridge deck. The expansion joint is required to be freely telescopic in two directions parallel to and perpendicular to the axis of the bridge, and the expansion joint is firm and reliable, and when a vehicle runs, the vehicle is smooth and free of sudden jump and noise; the rainwater and garbage soil can be prevented from infiltration and blocking; the installation, the inspection, the maintenance and the dirt elimination are all simple and convenient. At the position of the expansion joint, the handrail and the bridge deck pavement are disconnected. The expansion joint is an important component of the bridge structure, and the normal expansion function of the beam body is ensured.
The bridge expansion joint among the prior art is only installed a rubber strip usually, under the vehicle impact load of process, sunshine radiation and climate change's repeated action, and naked rubber strip is ageing easily, leads to the beam-ends to leak, causes diseases such as beam-ends steel sheet or reinforcing bar corrosion, bridge substructure surface whitening, water stain, can lead to the filling of beam-ends debris when the rubber strip damage is serious, influences the normal flexible function of structure, finally influences bridge structures safety.
Therefore, it is necessary to develop a waterproof structure for a bridge expansion joint.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bridge expansion joint waterproof construction can improve bridge expansion joint's waterproof performance, reduces because the ageing seepage that causes of rubber strip, reduces simultaneously and maintains the number of times, reduces the maintenance cost.
In order to solve the technical problem, the utility model adopts the following technical scheme:
the utility model relates to a bridge expansion joint waterproof construction, including deformed steel beam, first rubber strip and second rubber strip, two of bridge expansion joint deformed steel beam relative anchorage respectively is on the concrete layer at bridge both ends, two the symmetry is provided with twice rubber strip mounting groove respectively on the opposite face of deformed steel beam, the upper strata twice first rubber strip of rubber strip mounting groove joint, the lower floor rubber strip mounting groove joint second rubber strip.
Furthermore, the width of first rubber strip and second rubber strip all is greater than the width at bridge expansion joint, the middle part of first rubber strip and second rubber strip all bulges downwards.
Furthermore, a foam board is arranged between two side faces of the bridge expansion joint below the second rubber strip.
Furthermore, the first rubber strip is made of ultraviolet-resistant and weather-resistant rubber.
Further, the deformed steel beam is twice on the upper layer the opening top of rubber strip mounting groove is provided with the brush mounting groove, dustproof brush is installed to the brush mounting groove, the tip butt of dustproof brush is in on the upper surface of first rubber strip.
Compared with the prior art, the utility model discloses a beneficial technological effect:
the utility model relates to a bridge expansion joint waterproof construction, first rubber strip and second rubber strip through upper and lower both sides setting are convenient for form dual water seal, can produce the moisture seepage when the exposed first rubber strip in top takes place ageing failure, because the guard action of second rubber strip, can carry out the shutoff with the percolating water, prevent that the percolating water from entering into the inside at bridge expansion joint avoids corroding inside reinforcing bar of beam-ends and steel sheet. Simultaneously, when maintaining, only need change first rubber strip can, avoid taking place inside the expansion joint that oozes water in the maintenance and repair time limit for a project. The utility model discloses bridge expansion joint waterproof construction can improve bridge expansion joint's waterproof performance, reduces because the ageing seepage that causes of rubber strip, reduces simultaneously and maintains the number of times, reduces the maintenance cost.
In addition, through the setting of the equal downward convex first rubber strip in middle part and second rubber strip, when the bridge cold and hot deformation of being convenient for, the expansion joint size changes, and first rubber strip and second rubber strip can be along with taking place deformation, can not take place to drag firmly. Through the setting of cystosepiment can the elasticity be airtight the expansion joint avoids debris to get into. Through the first rubber strip that ultraviolet resistance weatherproof rubber material preparation formed, can effectively improve the life of first rubber strip, prolonged the maintenance cycle, reduce maintenance cost. Through the setting of brush mounting groove and dust brush, be favorable to preventing that dust and other debris at road surface and expansion joint top from entering into the rubber strip mounting groove, avoid dust and the long side bonding of percolating water combined action with rubber strip mounting groove and first rubber strip to die, be favorable to carrying out the dismantlement of first rubber strip and change, when preventing to maintain the dismantlement, the long side fastening of first rubber strip dies and can't change the condition appearance of therefore must changing whole expansion joint in the rubber strip mounting groove.
Drawings
The present invention will be further explained with reference to the following description of the drawings.
Fig. 1 is a schematic sectional view of the waterproof structure for bridge expansion joints of the present invention;
FIG. 2 is an enlarged view of a portion I of FIG. 1;
description of reference numerals: 1. a deformed steel beam; 101. a rubber strip mounting groove; 102. a brush mounting groove; 2. an anchoring plate; 3. reinforcing steel bars; 4. concrete; 5. a first rubber strip; 6. a second rubber strip; 7. a foam board; 8. a dust-proof brush.
Detailed Description
The core of the utility model is to provide a bridge expansion joint waterproof construction can improve bridge expansion joint's waterproof performance, reduces because the ageing seepage that causes of rubber strip, reduces the maintenance number of times simultaneously, reduces the maintenance cost.
In the following, the technical solutions in the embodiments of the present invention will be clearly and completely described with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In a specific embodiment, as shown in fig. 1, a waterproof structure for a bridge expansion joint comprises a deformed steel girder 1, a first rubber strip 5 and a second rubber strip 6, wherein two deformed steel girders 1 of the bridge expansion joint are anchored on concrete layers 4 at two ends of a bridge relatively, an anchoring plate 2 is welded at the back of each deformed steel girder 1, an annular reinforcing steel bar 3 is welded on each anchoring plate 2, and the reinforcing steel bar 3 is connected with a reinforcing mesh of the bridge. Two rubber strip mounting grooves 101 are symmetrically arranged on opposite surfaces of the two special-shaped steel beams 1 respectively, the upper layer two rubber strip mounting grooves 101 are connected with two long side edges of the first rubber strip 5 in a clamped mode, and the lower layer two rubber strip mounting grooves 101 are connected with two long side edges of the second rubber strip 6 in a clamped mode.
Through the first rubber strip 5 and the second rubber strip 6 that upper and lower both sides set up, be convenient for form dual water seal, can produce the moisture seepage when the exposed first rubber strip 5 in top takes place to age inefficacy, because the guard action of second rubber strip 6 can carry out the shutoff with the percolating water, prevent that the percolating water from entering into the inside at bridge expansion joint avoids corroding inside reinforcing bar of roof beam end and steel sheet. Simultaneously, when maintaining, only need change first rubber strip 5 can, avoid taking place inside the expansion joint that oozes water in the maintenance and repair time limit for a project. The utility model discloses bridge expansion joint waterproof construction can improve bridge expansion joint's waterproof performance, reduces because the ageing seepage that causes of rubber strip, reduces simultaneously and maintains the number of times, reduces the maintenance cost.
Specifically speaking, the width of first rubber strip 5 and second rubber strip 6 all is greater than the width at bridge expansion joint, and the middle part of first rubber strip 5 and second rubber strip 6 all bulges downwards.
Specifically, a foam plate 7 is provided below the second rubber strip 6 between both side surfaces of the bridge expansion joint.
Specifically, the first rubber strip 5 is made of an ultraviolet-resistant weather-resistant rubber material, and ethylene propylene diene monomer or fluororubber can be adopted, so that the rubber strip has good aging resistance and ultraviolet resistance.
Through the setting of the equal downward convex first rubber strip 5 of middle part and second rubber strip 6, when the bridge cold and hot deformation of being convenient for, the expansion joint size changes, and first rubber strip 5 and second rubber strip 6 can be along with taking place deformation, can not take place to drag firmly. Through the setting of cystosepiment 7 can the elasticity be airtight the expansion joint avoids debris to get into. Through the first rubber strip 5 that the preparation of ultraviolet resistance weather resistant rubber material formed, can effectively improve the life of first rubber strip 5, prolonged the maintenance cycle, reduce the maintenance cost.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the deformed steel beam 1 is provided with a brush mounting groove 102 at the top of the opening of the upper layer two rubber strip mounting grooves 101, the dust brush 8 is mounted on the brush mounting groove 102, and the end of the dust brush 8 abuts against the upper surface of the first rubber strip 5.
Through the setting of brush mounting groove 102 and dust brush 8, be favorable to preventing that the dust and other debris at road surface and expansion joint top from entering into rubber strip mounting groove 101 in, the mixed action of avoiding dust and percolating water dies the long side bonding of rubber strip mounting groove 101 and first rubber strip 5, be favorable to carrying out the dismantlement change of first rubber strip 5, when preventing to maintain the dismantlement, the long side fastening of first rubber strip 5 dies the condition appearance that therefore must change whole expansion joint in rubber strip mounting groove 101.
The utility model discloses bridge expansion joint waterproof construction, first rubber strip 5 and second rubber strip 6 through upper and lower both sides setting are convenient for form dual water seal, can produce the moisture seepage when the exposed first rubber strip 5 in top takes place ageing failure, because the guard action of second rubber strip 6, can carry out the shutoff with the percolating water, prevent that the percolating water from entering into the inside of bridge expansion joint avoids corroding inside reinforcing bar of roof beam end and steel sheet. Simultaneously, when maintaining, only need change first rubber strip 5 can, avoid taking place inside the expansion joint that oozes water in the maintenance and repair time limit for a project. The utility model discloses bridge expansion joint waterproof construction can improve bridge expansion joint's waterproof performance, reduces because the ageing seepage that causes of rubber strip, reduces simultaneously and maintains the number of times, reduces the maintenance cost. In addition, through the setting of the equal downwardly convex first rubber strip 5 of middle part and second rubber strip 6, when the bridge cold and hot deformation of being convenient for, the expansion joint size changes, and first rubber strip 5 and second rubber strip 6 can be along with taking place deformation, can not take place to drag firmly. Through the setting of cystosepiment 7 can the elasticity be airtight the expansion joint avoids debris to get into. Through the first rubber strip 5 that the preparation of ultraviolet resistance weather resistant rubber material formed, can effectively improve the life of first rubber strip 5, prolonged the maintenance cycle, reduce the maintenance cost. Through the setting of brush mounting groove 102 and dust brush 8, be favorable to preventing that the dust and other debris at road surface and expansion joint top from entering into rubber strip mounting groove 101 in, the mixed action of avoiding dust and percolating water dies the long side bonding of rubber strip mounting groove 101 and first rubber strip 5, be favorable to carrying out the dismantlement change of first rubber strip 5, when preventing to maintain the dismantlement, the long side fastening of first rubber strip 5 dies the condition appearance that therefore must change whole expansion joint in rubber strip mounting groove 101.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.
Claims (3)
1. The utility model provides a bridge expansion joint waterproof construction which characterized in that: the special-shaped steel beam expansion joint comprises special-shaped steel beams (1), a first rubber strip (5) and a second rubber strip (6), wherein the two special-shaped steel beams (1) of the bridge expansion joint are respectively anchored on concrete layers (4) at two ends of a bridge relatively, two rubber strip mounting grooves (101) are respectively and symmetrically arranged on opposite surfaces of the two special-shaped steel beams (1), the upper two rubber strip mounting grooves (101) are connected with the first rubber strip (5) in a clamping mode, and the lower rubber strip mounting grooves (101) are connected with the second rubber strip (6) in a clamping mode;
a foam plate (7) is arranged below the second rubber strip (6) and between two side surfaces of the bridge expansion joint;
abnormal shape girder steel (1) twice on the upper strata the opening top of rubber strip mounting groove (101) is provided with brush mounting groove (102), dustproof brush (8) are installed to brush mounting groove (102), the tip butt of dustproof brush (8) is in on the upper surface of first rubber strip (5).
2. The waterproof structure for a bridge expansion joint according to claim 1, wherein: the width of first rubber strip (5) and second rubber strip (6) all is greater than the width at bridge expansion joint, the middle part of first rubber strip (5) and second rubber strip (6) all bulges downwards.
3. The waterproof structure for a bridge expansion joint according to claim 1, wherein: the first rubber strip (5) is made of ultraviolet-resistant and weather-resistant rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336477.8U CN211973085U (en) | 2019-12-24 | 2019-12-24 | Bridge expansion joint waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922336477.8U CN211973085U (en) | 2019-12-24 | 2019-12-24 | Bridge expansion joint waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211973085U true CN211973085U (en) | 2020-11-20 |
Family
ID=73379160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922336477.8U Expired - Fee Related CN211973085U (en) | 2019-12-24 | 2019-12-24 | Bridge expansion joint waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211973085U (en) |
-
2019
- 2019-12-24 CN CN201922336477.8U patent/CN211973085U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20211224 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |