CN209958218U - Anti-blocking water collecting structure of box girder bridge - Google Patents
Anti-blocking water collecting structure of box girder bridge Download PDFInfo
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- CN209958218U CN209958218U CN201822162878.1U CN201822162878U CN209958218U CN 209958218 U CN209958218 U CN 209958218U CN 201822162878 U CN201822162878 U CN 201822162878U CN 209958218 U CN209958218 U CN 209958218U
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Abstract
The utility model discloses a block-proof water collecting structure of a box girder bridge, which comprises a water collecting tank arranged on the bridge floor at the position of a pier column, wherein the side wall of the water collecting tank connected with an anti-collision wall is a non-permeable side wall, and the rest part of the side wall of the water collecting tank is a permeable side wall; the permeable side wall of the water receiving tank is uniformly provided with permeable holes for water permeation; the water receiving tank is fixedly connected with a water outlet pipe downwards, the water outlet pipe downwards penetrates through a wing plate of the bridge body of the box girder, a water outlet pipe is fixed on the bridge body below the water outlet pipe, the upper end of the water outlet pipe is connected with a horn-shaped water receiving port, and the water receiving port is positioned right below the water outlet pipe and is arranged at an interval with the water outlet pipe; the lower end of the drain pipe is communicated with a water collecting well; the top wall of the water receiving tank is made of a water permeable material. The utility model discloses can prevent that the bridge floor from receiving the water structure and blockked up by debris to prevent bridge floor ponding when the drain pipe takes place to block up.
Description
Technical Field
The utility model relates to a bridge construction technical field.
Background
With the development of society, the construction of various infrastructures in China is more and more perfect, and a large number of bridges such as viaducts and the like are constructed every year.
In bridge construction, the box girder is widely applied due to the high construction speed, prefabrication, cast-in-place and wide application range. And paving an asphalt surface layer on the surface of the box girder to serve as a bridge deck. The bridge floor of every pier stud department of bridge is equipped with the water collecting well, receives the water well and is connected with the drain pipe downwards, and the drain pipe is directly discharged the bridge floor rainwater of collecting the water well into the rainwater cellar for storing things well that is connected with the municipal pipe network through buried pipeline.
The existing longer box girder bridge consists of multiple girder bodies, and expansion joints are arranged between the adjacent girder bodies. The box girder is hollow, and wing plates are arranged on two sides of the upper part of the box girder.
The existing bridge has a simpler water collecting and draining structure, and one pier column is provided with the water collecting and draining structure; the utility model discloses in, be called as with bridge length direction along the bridge to or vertically, be called as horizontal bridge with bridge width direction to or transversely.
The existing bridge water collecting and draining structure has the following defects:
1. the problem of blockage of the water collecting and draining structure cannot be solved. The existing water collecting and draining structure is provided with a water collecting structure (a water collecting tank or a water collecting well or a section of long strip-shaped water collecting ditch) with an open top on a bridge floor. The sundries brought to the bridge floor by wind or scattered by passing vehicles are not easy to blow away after being blown away by the airflow.
The air current blows the debris on the road surface easily, but debris get into the structure that is less than the road surface after, the air current of road surface department just can not blow debris or can only blow a little part that debris expose the road surface, and debris still are blocked by the structure that is less than the road surface, after long, just accumulate more debris in the water receiving structure, form and block up, need artifical clearance just can resume normal water receiving drainage function, the maintenance work volume of bridge has been strengthened on the one hand, on the other hand can aggravate the phenomenon that the bridge floor is soaked by the water in the jam period, shorten the life of bridge floor.
In the water collecting and draining structure, the drain pipe is easy to block and fall off. Because the ability of automatically washing silt in the water collecting tank is not available in the water collecting and draining structure, the silt directly enters the water draining pipe attached to the lower part of the bridge body, the water draining pipe is mostly connected with the bridge body through a PVC pipe through rivets, and the durability and the bearing capacity of the water draining pipe are poor, so that once the silt is jammed, the amount of water stored in the pipeline is increased, and the pipeline falls off.
2. Bridge floor rainwater directly drains into the rainwater cellar well that is connected with the municipal pipe network through buried pipeline, and the greenbelt has not the chance to absorb the rainwater under the bridge, still need water for the greenbelt in addition, increases the water demand of greenbelt, does not conform to the requirement of building the sponge city.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a stifled water structure of receiving is prevented to case girder bridge can prevent that the bridge floor from receiving the water structure and blockked up by debris to prevent bridge floor ponding when the drain pipe takes place to block up.
In order to achieve the purpose, the utility model provides an anti-blocking water collecting structure of a box girder bridge, wherein anti-collision walls are arranged on the two transverse sides of the bridge deck of the box girder bridge; a plurality of pier columns are arranged below the box girder bridge at intervals along the bridge direction, and an asphalt surface layer is paved on the bridge surface of the box girder bridge; a green belt is arranged below the box girder bridge, and a water collecting well is arranged in the green belt;
the utility model discloses a stifled water receiving structure of box girder bridge includes the water receiving tank that sets up on the bridge floor of pier post department, receives water tank one side and meets with the anticollision wall, and the lateral wall that receives water tank and anticollision wall to meet is the lateral wall that permeates water, and the rest of the water receiving tank lateral wall is the lateral wall that permeates water; the permeable side wall of the water receiving tank is uniformly provided with permeable holes for water permeation; the water receiving tank is fixedly connected with a water outlet pipe downwards, the water outlet pipe downwards penetrates through a wing plate of the bridge body of the box girder, a water outlet pipe is fixed on the bridge body below the water outlet pipe, the upper end of the water outlet pipe is connected with a horn-shaped water receiving port, and the water receiving port is positioned right below the water outlet pipe and is arranged at an interval with the water outlet pipe; the drainage pipe extends to the bridge pier column along the side wall of the beam body and extends downwards along the bridge pier column, and the lower end of the drainage pipe is communicated with the water collecting well; the top wall of the water receiving tank is made of a water permeable material, and the top of the water receiving tank is paved with the asphalt surface layer.
The diameter of the water seepage hole is 1.5 +/-0.3 cm.
The bottom end of the water collecting well is lower than the surface of the soil body in the green belt by more than 50 cm, the top end of the water collecting well is higher than the surface of the soil body in the green belt by 10 +/-2 cm, and a crushed stone layer with the thickness of 10 +/-1 cm is arranged on the surface layer of the green belt within 1 m of the periphery of the water collecting well; the wall of the water collecting well is made of water seepage materials.
The upper surface of the beam body at the water collecting tank is provided with a groove with the depth of 1.5 cm in a chiseling mode, and the bottom surface of the water collecting tank is fixedly bonded with the bottom of the groove through epoxy glue or structural glue.
The diameter of the upper end of the water receiving port is larger than that of the lower end of the water outlet pipe, and the vertical center lines of the water receiving port and the water outlet pipe are the same straight line.
When raining, the water of the bridge floor flows to the anti-collision wall on the lower side of the bridge floor rapidly under the action of the slope to collect the water tank, and the rainwater is discharged rapidly. Because the pitch surface course has water permeability, consequently the rainwater flows to the anticollision wall along pitch surface course surface on the one hand, and on the other hand the inside rainwater of infiltration income pitch surface course flows to the anticollision wall along pitch surface course is inside. Rainwater on the surface of the asphalt surface layer can enter the water collecting tank after being filtered by the asphalt surface layer, so that sundries on the bridge floor can be blocked by the asphalt surface layer and cannot enter the water collecting tank, and the sundries above the reserved asphalt surface layer can be easily blown away under the action of air flow (such as natural wind and air flow brought by passing vehicles), so that a water collecting passage cannot be blocked intensively.
The water in the water collecting tank is drained downwards into the water collecting well along the drain pipe. In the past practice, the drain pipe is easy to block, and the bridge floor rainwater cannot flow downwards normally after the blocking occurs, so that the accumulated water on the bridge floor is caused.
The utility model discloses in, the water receiving mouth is located the outlet pipe under and sets up with the outlet pipe interval. The diameter of the upper end of the horn-shaped water receiving opening is larger than that of the water outlet pipe, so that the water flowing out of the water outlet pipe is guaranteed to just fall into the water receiving opening, and deviation or omission is not easy to occur.
When the drain pipe blocks up, the bridge floor ponding will flow and fall by the clearance between outlet pipe and the water receiving mouth, avoids causing the bridge floor ponding because of the drain pipe blocks up.
The bottom end of the water collecting well is lower than the surface of the soil body in the green belt by more than 50 cm, the top end of the water collecting well is higher than the surface of the soil body in the green belt by 10 +/-2 cm, the water collecting well can play a role in storing water, after raining, water is accumulated in the water collecting well, the top of the water collecting well is provided with a falling-proof grille net for preventing sundries from overflowing, the water can slowly overflow and permeate into a green belt after preliminary sedimentation, filtration and collection in the water collecting well, the overflowed water passes through a gravel filter belt around the water collecting well, forms secondary filtration, sedimentation, permeation and buffering to the collected water, simultaneously avoids the flowing water from directly scouring the surrounding soil body and plants, thoroughly solves the problem of harm to the plants in the green belt caused by pollutants, sundries and the like of the rainwater collected by the bridge floor through the twice sedimentation and filtration, therefore, the method can keep nearby green belts in a wet state for a long time, reduces the irrigation water consumption of the green belts, and accords with the concept of sponge cities.
A1.5 cm-deep groove is formed in the upper surface of the beam body at the water collecting tank in a chiseling mode, and the bottom surface of the water collecting tank is fixedly bonded with the bottom of the groove through epoxy glue or structural glue. The mode is convenient for construction, the water receiving tank and the box girder are connected firmly, and the water receiving tank and the box girder cannot fall off after long-term use. Meanwhile, the problem that the height of the bottom of the water collecting tank is consistent with that of the bottom of the buried water through belt, and water is accumulated at the junction of the water collecting tank and the buried water through belt is solved.
Drawings
FIG. 1 is a schematic structural view of the present invention mounted on a box girder bridge;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic vertical sectional view taken along the bridge at the water collecting tank;
fig. 4 is a schematic view of the vertical structure at the sump well.
Detailed Description
The utility model discloses in, be called as with bridge length direction along the bridge to or vertically, be called as horizontal bridge with bridge width direction to or transversely.
As shown in fig. 1 to 4, the utility model provides an anti-blocking water collecting structure for a box girder bridge, wherein anti-collision walls 2 are arranged on two lateral sides of the bridge deck of the box girder bridge; a plurality of pier columns 3 are arranged below the box girder bridge at intervals along the bridge direction, and an asphalt surface layer 1 is laid on the bridge floor of the box girder bridge; a green belt 4 is arranged below the box girder bridge, and a water collecting well 5 is arranged in the green belt 4;
the utility model discloses a stifled water receiving structure of box girder bridge includes the water receiving tank 6 that sets up on the bridge floor of pier post 3 department, and water receiving tank 6 one side is received with crashproof wall 2, and the lateral wall that water receiving tank 6 and crashproof wall 2 meet is the lateral wall that does not permeate water, and the remaining part of water receiving tank 6 lateral wall is the lateral wall that permeates water; the permeable side wall of the water receiving tank 6 is uniformly provided with permeable holes 7 for water permeation; the water receiving tank 6 is fixedly connected with a water outlet pipe 8 downwards, the water outlet pipe 8 downwards penetrates through a wing plate 10 of a bridge body 9 of a tank beam, a water outlet pipe 11 is fixed on the bridge body 9 below the water outlet pipe 8, the upper end of the water outlet pipe 11 is connected with a horn-shaped water receiving port 12, and the water receiving port 12 is positioned right below the water outlet pipe 8 and is arranged at an interval with the water outlet pipe 8; the drain pipe 11 extends to the pier stud 3 along the side wall of the beam body 9 (including the wing plate 10 of the beam 9) and extends downwards along the pier stud 3, and the lower end of the drain pipe 11 is communicated with the water collecting well 5; the top wall of the water receiving tank 6 is made of a water permeable material, and the asphalt surface layer 1 is laid on the top of the water receiving tank. The water collecting tank 6 avoids the upper end opening, the bridge floor rainwater can enter the water collecting tank 6 by filtering the asphalt surface layer 1 uniformly, and the sundries on the bridge floor can not enter the water collecting tank 6. The structure at the top wall of the water collection tank 6 is not shown in detail.
The diameter of the water seepage hole 7 is 1.5 +/-0.3 cm.
The bottom end of the water collecting well 5 is lower than the surface of the soil body in the green belt 4 by more than 50 cm, the top end of the water collecting well 5 is higher than the surface of the soil body in the green belt 4 by 10 +/-2 cm, and a gravel layer 14 with the thickness of 10 +/-1 cm is arranged on the surface layer of the green belt 4 within 1 m around the water collecting well 5; the wall of the water collecting well 5 is made of water permeable material.
A groove 13 with the depth of 1.5 cm is formed in the upper surface of the beam body 9 at the water receiving tank 6 in a chiseling mode, and the bottom surface of the water receiving tank 6 is fixedly bonded with the bottom of the groove 13 through epoxy glue or structural glue.
The diameter of the upper end of the water receiving port 12 is larger than that of the lower end of the water outlet pipe 8, and the vertical central lines of the water receiving port and the water outlet pipe are in the same straight line.
Therefore, the water flowing out of the water outlet pipe 8 is ensured to just fall into the water receiving opening 12, and deviation or omission can not occur.
A groove 13 with the depth of 1.5 cm is formed in the upper surface of the beam body 9 at the water receiving tank 6 in a chiseling mode, and the bottom surface of the water receiving tank 6 is fixedly bonded with the bottom of the groove 13 through epoxy glue or structural glue. The mode is convenient for construction, the water receiving tank 6 and the box girder are connected firmly, and the water receiving tank cannot fall off after long-term use.
When raining, the water of the bridge floor flows to the anti-collision wall 2 on the lower side of the bridge floor under the action of the gradient. Because pitch surface course 1 has water permeability, consequently the rainwater flows to crashproof wall 2 along 1 surfaces of pitch surface course on the one hand, and on the other hand the inside rainwater of on the other hand seepage income pitch surface course 1 flows to crashproof wall 2 along 1 insides of pitch surface course, finally gets into all water and gets into after seeing through pitch surface course 1 and receive in the water tank 6 and discharge.
Because water is earlier through pitch surface course 1 then can get into receive water tank 6 in, pitch surface course 1 has played the filterable effect of debris, keeps off and can be blown away by natural wind and the air current that the vehicle drove again at the debris on pitch surface course 1 surface, consequently the utility model discloses a receive water drainage structures and be difficult to take place to block up.
The bottom end of the water collecting well 5 is lower than the surface of the soil body in the green belt 4 by more than 50 cm, the top end of the water collecting well 5 is higher than the surface of the soil body in the green belt 4 by 10 +/-2 cm, the water collecting well can play a role of storing water, and after raining, the water accumulated in the water collecting well 5 can slowly permeate into the green belt 4, so that the nearby green belt 4 can be kept in a wet state for a long time, the irrigation water consumption of the green belt 4 is reduced, and the concept of a sponge city is met.
When the drain pipe 11 is blocked, the accumulated water on the bridge deck flows out from the gap between the water outlet pipe 8 and the water receiving port 12 and falls down, so that the accumulated water on the bridge deck caused by the blockage of the drain pipe 11 is avoided.
The above embodiments are only used for illustrating but not limiting the technical solutions of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (5)
1. The anti-blocking water collection structure of the box girder bridge is characterized in that anti-collision walls are upwards arranged on two transverse sides of a bridge deck of the box girder bridge; a plurality of pier columns are arranged below the box girder bridge at intervals along the bridge direction, and an asphalt surface layer is paved on the bridge surface of the box girder bridge; a green belt is arranged below the box girder bridge, and a water collecting well is arranged in the green belt;
the method is characterized in that:
the bridge comprises a water receiving tank arranged on a bridge floor at a pier column, wherein one side of the water receiving tank is connected with an anti-collision wall, the side wall of the water receiving tank connected with the anti-collision wall is a non-permeable side wall, and the rest part of the side wall of the water receiving tank is a permeable side wall; the permeable side wall of the water receiving tank is uniformly provided with permeable holes for water permeation; the water receiving tank is fixedly connected with a water outlet pipe downwards, the water outlet pipe downwards penetrates through a wing plate of the bridge body of the box girder, a water outlet pipe is fixed on the bridge body below the water outlet pipe, the upper end of the water outlet pipe is connected with a horn-shaped water receiving port, and the water receiving port is positioned right below the water outlet pipe and is arranged at an interval with the water outlet pipe; the drainage pipe extends to the bridge pier column along the side wall of the beam body and extends downwards along the bridge pier column, and the lower end of the drainage pipe is communicated with the water collecting well; the top wall of the water collecting tank is made of a water permeable material, and the top of the water collecting tank is paved with the asphalt surface layer;
the diameter of the upper end of the horn-shaped water receiving opening is larger than that of the water outlet pipe.
2. The anti-blocking water collection structure of the box girder bridge according to claim 1, wherein: the diameter of the water seepage hole is 1.5 +/-0.3 cm.
3. The anti-blocking water collection structure of the box girder bridge according to claim 1, wherein: the bottom end of the water collecting well is lower than the surface of the soil body in the green belt by more than 50 cm, the top end of the water collecting well is higher than the surface of the soil body in the green belt by 10 +/-2 cm, and a crushed stone layer with the thickness of 10 +/-1 cm is arranged on the surface layer of the green belt within 1 m of the periphery of the water collecting well; the wall of the water collecting well is made of water seepage materials.
4. The anti-blocking water collection structure of a box girder bridge according to any one of claims 1 to 3, wherein:
the upper surface of the beam body at the water collecting tank is provided with a groove with the depth of 1.5 cm in a chiseling mode, and the bottom surface of the water collecting tank is fixedly bonded with the bottom of the groove through epoxy glue or structural glue.
5. The anti-blocking water collection structure of a box girder bridge according to any one of claims 1 to 3, wherein: the diameter of the upper end of the water receiving port is larger than that of the lower end of the water outlet pipe, and the vertical center lines of the water receiving port and the water outlet pipe are the same straight line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822162878.1U CN209958218U (en) | 2018-12-24 | 2018-12-24 | Anti-blocking water collecting structure of box girder bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822162878.1U CN209958218U (en) | 2018-12-24 | 2018-12-24 | Anti-blocking water collecting structure of box girder bridge |
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| Publication Number | Publication Date |
|---|---|
| CN209958218U true CN209958218U (en) | 2020-01-17 |
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| CN201822162878.1U Active CN209958218U (en) | 2018-12-24 | 2018-12-24 | Anti-blocking water collecting structure of box girder bridge |
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| CN (1) | CN209958218U (en) |
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- 2018-12-24 CN CN201822162878.1U patent/CN209958218U/en active Active
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