CN211772814U - Steel concrete side ditch type bridge floor drainage system combined with pavement layer - Google Patents
Steel concrete side ditch type bridge floor drainage system combined with pavement layer Download PDFInfo
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- CN211772814U CN211772814U CN202020009916.4U CN202020009916U CN211772814U CN 211772814 U CN211772814 U CN 211772814U CN 202020009916 U CN202020009916 U CN 202020009916U CN 211772814 U CN211772814 U CN 211772814U
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Abstract
The utility model relates to a bridge drainage technology field discloses a steel concrete limit ditch formula bridge floor drainage system who combines the layer of mating formation, and it includes escape canal side wall, escape canal, water-drain mast and water-collecting well. The side walls of the water collecting ditch and the concrete bridge deck pavement layer are cast into a whole by adopting a reinforced concrete cast-in-place structure, and form an integral drainage ditch together with the concrete guardrail and the pavement layer. The integrated cast-in-situ reinforced concrete gutter has the characteristics of high rigidity and small deformation, can effectively prevent the surface layer of the asphalt bridge from sliding, and is firm in bonding. The sump pit sets up on the escape canal, and the outlet pipe sets up inside the case roof beam cantilever below the sump pit, and one end and sump pit intercommunication, the other end stretch out the case roof beam cantilever bottom of bridge and are connected with municipal drainage facility, form whole drainage system. To sum up, the utility model discloses can not only effectual quick drainage, can also protect the bridge floor, improve the life of bridge floor, be applicable to various types of bridge floor drainage such as highway, city, be suitable for the popularization.
Description
Technical Field
The utility model belongs to the technical field of the bridge drainage technique and specifically relates to a steel concrete limit ditch formula bridge floor drainage system who combines the layer of mating formation.
Background
At present, most of bridge deck drainage systems adopt the following three modes, wherein one mode is that the bridge deck is vertically or laterally straightly arranged; secondly, the water collecting pipe is hung below the box girder cantilever and is discharged downwards through a vertical water discharging pipe at the pier column; and thirdly, a linear water collecting channel formed on the inner side of the roadway guardrail is downwards discharged through a pier column vertical water discharge pipe. Although the three modes can also quickly remove the rainwater on the bridge deck, the problems that the appearance and the appearance of the city are influenced by the external water collecting pipe, the linear water collecting groove of the roadway is easy to damage and deform, the asphalt is not firmly bonded, the asphalt on the bridge deck is easy to slide, and the bridge deck is easy to separate and seep water exist in different degrees.
Therefore, in the design of the bridge, in addition to the necessary longitudinal and transverse slope drainage on the bridge deck, a new drainage system is needed to solve the above problems.
Disclosure of Invention
An object of the utility model is to provide a steel concrete limit ditch formula bridge floor drainage system on layer combines to mat formation to solve the yielding problem of pasting insecure, the easy dehydration that falls infiltration, bridge floor pitch easily sliding with the pitch layer in the linear escape canal of bridge floor. The utility model discloses can not only effectual quick drainage, can also protect the bridge floor, improve the life of bridge floor, be applicable to various types bridge floor drainage such as highway, city. In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a steel concrete limit ditch formula bridge floor drainage system on layer combines to mat formation, it includes escape canal side wall, escape canal, water-drain mast and water-collecting well.
The side wall of the water collecting ditch and the concrete bridge deck pavement layer are cast into a whole by adopting a reinforced concrete cast-in-place structure, and form an integral drainage ditch together with the concrete guardrail and the pavement layer. And then paving an asphalt layer on the paving layer. The integrated cast-in-situ reinforced concrete gutter has the characteristics of high rigidity and small deformation, can effectively prevent the surface layer of the asphalt bridge from sliding, and is firm in bonding.
The sump pit sets up on the escape canal, the outlet pipe sets up in sump pit below bridge box beam cantilever inside, and one end and sump pit intercommunication, the other end stretch out the box beam cantilever bottom of bridge and are connected with municipal drainage facility, form whole drainage system.
Furthermore, the upper end surface of the water collecting well is lower than the bottom surface of the drainage ditch, so that rainwater can be collected conveniently.
Furthermore, side wall reinforcing steel bars integrated with the bridge deck pavement layer reinforcing steel bars are arranged in the side walls of the drainage ditch, so that the rigidity of the side walls is enhanced.
Furthermore, a vertical embedded sleeve is arranged in the middle of the bottom of the water collecting well, and the embedded sleeve is embedded in the cantilever of the bridge box girder in advance; the water drain pipe is arranged in the embedded sleeve, so that the water drain pipe is convenient to install and maintain in the later period.
Furthermore, a first annular water-swelling rubber ring is arranged between the embedded sleeve and the beam body.
Further, the inner diameter of the embedded sleeve is larger than the outer diameter of the drain pipe. A second annular water-swelling rubber ring is arranged between the top of the water drain pipe and the top of the embedded sleeve.
Furthermore, gaps among the water drain pipe, the water collecting well and the embedded sleeve are filled and fixed by epoxy mortar.
Further, a cover plate is arranged above the drainage ditch; the cover plate is provided with a plurality of limber holes for filtering sundries in water.
Further, the apron passes through the hinge and can open and shut and set up on the escape canal, makes things convenient for the maintenance in later stage to the escape canal.
Furthermore, the top of the water drain pipe is provided with a grating cover for filtering sundries in water.
Owing to adopted foretell structure, the utility model discloses following beneficial effect has:
1. the cast-in-situ reinforced concrete side, the bridge deck pavement layer and the guardrails form the integral cast-in-situ reinforced concrete gutter, the cast-in-situ reinforced concrete side gutter has the characteristics of high rigidity and small deformation, can effectively prevent the problems of slippage of the asphalt bridge deck layer, easy damage of the drainage gutter and the like, ensures that the asphalt is firmly bonded with the bridge deck system and the concrete side gutter, and also prolongs the service life of the drainage gutter.
2. And the rainwater on the bridge floor is quickly drained to the cast-in-situ reinforced concrete side ditch and the water collecting well, so that the water accumulation on the bridge floor is avoided.
3. The water collecting ditch is arranged on the inner side of the bridge guardrail, and a longitudinal water collecting pipe on the outer side of the bridge is omitted, so that the influence on city appearance is reduced.
4. The reinforced concrete gutter is a cast-in-place integrated component, and is convenient for later maintenance and management.
Drawings
Fig. 1 is a schematic sectional view of the drainage ditch of the present invention.
Fig. 2 is a sectional three-dimensional structure view of the drainage ditch of the present invention.
Fig. 3 is a schematic sectional view of the sump of the present invention.
Fig. 4 is a sectional three-dimensional structure diagram of the water collecting well of the utility model.
Fig. 5 is a top plan view of the present invention.
Fig. 6 is a schematic view of the present invention with the cover plate removed.
Description of the main component symbols:
1. drainage ditch side wall, 2, drainage ditch, 3, sump pit, 4, wash-out pipe, 5, guardrail, 6, bridge deck pavement layer, 7, side wall reinforcing bar, 8, pre-buried sleeve pipe, 81, first ring type water-swelling rubber circle, 82, second ring type water-swelling rubber circle, 9, epoxy mortar, 10, apron, 11, grid lid, 12, waterproof layer, 13, pitch layer.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.
The embodiment is suitable for drainage of bridge floors of various highways and urban bridges.
As shown in fig. 1-6, the utility model discloses a combine the steel concrete limit ditch formula bridge floor drainage system on layer of mating formation, it includes: drainage ditch side wall 1, side wall reinforcing bar 7, drainage ditch 2, sump pit 3, embedded sleeve 8, outlet pipe 4, apron 10 and grid cover 11.
The bridge deck comprises a guardrail 5, a waterproof layer 12, a bridge deck pavement layer 6 and an asphalt layer 13, wherein the waterproof layer 12, the bridge deck pavement layer and the asphalt layer are paved from bottom to top. The bridge deck pavement layer 6 is poured on the bridge deck waterproof layer 12, and a space for installing the side wall steel bars 7 is reserved. And pouring concrete on the side wall reinforcing steel bars 7 to form the drainage ditch side wall 1. The drainage ditch side wall 1, the guardrail 5 and the bridge deck pavement layer 6 form an integral drainage ditch 2, and an openable cover plate 10 with holes is arranged on the drainage ditch 2; the cover plate 10 is fixed on the edge of the drainage ditch 2 by adopting a hinge and a bolt.
The water collecting well 3 is arranged on the drainage ditch 2. In order to collect rainwater conveniently, the upper end surface of the water collecting well 3 is lower than the bottom surface of the drainage ditch 2.
During construction, an embedded sleeve 8 is embedded in the middle of the bottom of the water collecting well 3 to the cantilever of the bridge box girder. The water drain pipe 4 is placed and positioned in the embedded sleeve 8, and the lower end of the water drain pipe 4 extends out of the bottom of a box girder cantilever of the bridge and is connected with municipal drainage facilities to form a whole drainage system. And finally, paving an asphalt layer 13 on the bridge deck pavement layer 6 to form a complete bridge deck system.
For the convenience of installation and later maintenance change, simultaneously in order to prevent that the bridge floor rainwater from oozing to the roof beam from each gap under, be equipped with first annular water-swelling rubber circle 81 between buried sleeve 8 and the roof beam body, buried sleeve 8's internal diameter is greater than the external diameter of outlet pipe 4, set up second annular water-swelling rubber circle 82 between buried sleeve 8 top and outlet pipe 4, outlet pipe 4 adopts epoxy mortar 9 to fill and fix with sump pit 3 and buried sleeve 8's clearance.
In order to filter impurities in water and prevent the drain pipe 4 from being blocked, the top of the drain pipe 4 is provided with a grating cover 11.
To sum up, the utility model discloses can not only effectual quick drainage, can also protect the bridge floor, improve the life of bridge floor, be applicable to various types of bridge floor drainage such as highway, city, be suitable for the popularization.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (10)
1. The utility model provides a combine the steel concrete side ditch formula bridge floor drainage system on layer of mating formation which characterized in that: the drainage ditch comprises drainage ditch side walls, drainage ditches, drain pipes and water collection wells;
the side wall of the water collecting ditch and the concrete bridge deck pavement layer are cast into a whole by adopting a reinforced concrete cast-in-place structure, and form an integral drainage ditch together with the concrete guardrail and the bridge deck pavement layer;
the sump pit sets up on the escape canal, the outlet pipe sets up in sump pit below case roof beam cantilever inside, and one end and sump pit intercommunication, the other end stretch out the case roof beam cantilever bottom of bridge and are connected with municipal drainage facility, form whole drainage system.
2. A steel concrete side channel type bridge deck drainage system combined with a pavement layer as claimed in claim 1, wherein: the upper end surface of the water collecting well is lower than the bottom surface of the drainage ditch.
3. A steel concrete side channel type bridge deck drainage system combined with a pavement layer as claimed in claim 1, wherein: and side wall reinforcing steel bars integrated with the bridge deck pavement layer reinforcing steel bars are arranged in the side walls of the drainage ditch.
4. A steel concrete side channel type bridge deck drainage system combined with a pavement layer as claimed in claim 1, wherein: the middle of the bottom of the water collecting well is provided with a vertical embedded sleeve, the embedded sleeve is embedded in the box girder cantilever in advance, and the water drain pipe is arranged in the embedded sleeve.
5. A steel concrete side channel type bridge floor drainage system combined with a pavement layer as claimed in claim 4, wherein: and a first annular water-swelling rubber ring is arranged between the embedded sleeve and the beam body.
6. A steel concrete side channel type bridge floor drainage system combined with a pavement layer as claimed in claim 4, wherein: the inner diameter of the embedded sleeve is larger than the outer diameter of the water drain pipe; a second annular water-swelling rubber ring is arranged between the top of the water drain pipe and the top of the embedded sleeve.
7. A steel concrete side channel type bridge floor drainage system combined with a pavement layer as claimed in claim 4, wherein: and epoxy mortar for filling and fixing is arranged in the gap between the water drain pipe and the water collecting well as between the water drain pipe and the embedded sleeve.
8. A steel concrete side channel type bridge deck drainage system combined with a pavement layer as claimed in claim 1, wherein: a cover plate is arranged above the drainage ditch; the cover plate is provided with a plurality of water through holes.
9. A steel concrete trench deck drainage system in combination with a paved layer as defined in claim 8, wherein: the cover plate is arranged on the drainage ditch in a manner that the cover plate can be opened and closed through the hinge.
10. A steel concrete side channel type bridge deck drainage system combined with a pavement layer as claimed in claim 1, wherein: and the top of the water drain pipe is provided with a grid cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009916.4U CN211772814U (en) | 2020-01-03 | 2020-01-03 | Steel concrete side ditch type bridge floor drainage system combined with pavement layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020009916.4U CN211772814U (en) | 2020-01-03 | 2020-01-03 | Steel concrete side ditch type bridge floor drainage system combined with pavement layer |
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| Publication Number | Publication Date |
|---|---|
| CN211772814U true CN211772814U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020009916.4U Active CN211772814U (en) | 2020-01-03 | 2020-01-03 | Steel concrete side ditch type bridge floor drainage system combined with pavement layer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322787A (en) * | 2021-06-22 | 2021-08-31 | 中交二公局东萌工程有限公司 | Construction process of bridge deck runoff collecting device and formwork supporting device thereof |
| CN113774844A (en) * | 2021-07-28 | 2021-12-10 | 中铁建工集团有限公司 | A maintain device for highway environment |
-
2020
- 2020-01-03 CN CN202020009916.4U patent/CN211772814U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113322787A (en) * | 2021-06-22 | 2021-08-31 | 中交二公局东萌工程有限公司 | Construction process of bridge deck runoff collecting device and formwork supporting device thereof |
| CN113322787B (en) * | 2021-06-22 | 2023-03-03 | 中交二公局东萌工程有限公司 | Construction process of bridge deck runoff collecting device and formwork supporting device thereof |
| CN113774844A (en) * | 2021-07-28 | 2021-12-10 | 中铁建工集团有限公司 | A maintain device for highway environment |
| CN113774844B (en) * | 2021-07-28 | 2023-09-05 | 中铁建工集团有限公司 | Maintenance device for highway environment |
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