CN206581137U - A kind of drainage system device for Highway in Loess Area bridge - Google Patents

A kind of drainage system device for Highway in Loess Area bridge Download PDF

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Publication number
CN206581137U
CN206581137U CN201720042988.7U CN201720042988U CN206581137U CN 206581137 U CN206581137 U CN 206581137U CN 201720042988 U CN201720042988 U CN 201720042988U CN 206581137 U CN206581137 U CN 206581137U
Authority
CN
China
Prior art keywords
drainage
highway
bridge
loess area
french drain
Prior art date
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
Application number
CN201720042988.7U
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Chinese (zh)
Inventor
韩波
姚儒君
魏伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanxi Province Transport Science Research Institute
Shanxi Jiaoke Highway Survey and Design Institute
Original Assignee
Shanxi Province Transport Science Research Institute
Shanxi Jiaoke Highway Survey and Design Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shanxi Province Transport Science Research Institute, Shanxi Jiaoke Highway Survey and Design Institute filed Critical Shanxi Province Transport Science Research Institute
Priority to CN201720042988.7U priority Critical patent/CN206581137U/en
Application granted granted Critical
Publication of CN206581137U publication Critical patent/CN206581137U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is provided on a kind of drainage system device for Highway in Loess Area bridge, construction, and lid, french drain, glass fiber grid, waterproof layer, tapping pipe, screen pack, tubaeform delivery port are set gradually from top to bottom.Bridge floor water and bituminous concrete interlayer water drain into french drain, seepage flow to tapping pipe, the effect that tapping pipe has filtering, slows down, dissipates row.The utility model has obvious drainage efficiency in Highway in Loess Area bridge draining; and decrease is to the souring of Canal in Loess Area soil property under bridge; there is bigger dispersiveness than traditional drainage system, be effectively protected pier pile foundation under bridge, have significant protective effect for natural environment.

Description

A kind of drainage system device for Highway in Loess Area bridge
Technical field
The utility model belongs to road and bridge engineering technical field, it particularly relates to which a kind of be used for Highway in Loess Area bridge Drainage system device.
Background technology
At present, highway in China bridge uses Asphalt Concrete Deck Pavement mostly, but Asphalt Concrete Deck Pavement is deposited In some problems, being mainly shown as pave-load layer surface drainage, smooth, water discharge time is not long and penetrates into inside bridge deck pavement Intermediary water can not be excluded and the surface layer that causes to mat formation accelerates the failure.The bridge floor rainwater holdup time is long, under be seeped into bridge deck pavement, then Further impenetrable waterproof layer influences the strength and stability of bridge deck pavement, accelerates it to damage, its final result to bridge deck structure It is to be oozed under moisture continues, into bridge span structure main body, causes the steel bar corrosion in girder, jeopardize bridge structure safe, shorten bridge The service life of beam.The bridge of Canal in Loess Area is particularly passed through, be there is also an issue, existing deck drainage system sluices Pipe distance ground is higher, and water is big after importing tapping pipe through Crossing the bridge noodles water and concentrates, and Canal in Loess Area under bridge is washed away seriously, some At the pier stud pile foundation that soil property is poor, hypsography is big, exist and empty phenomenon, it is likely that jeopardize bridge security.
Existing most of deck drainage system has the composition such as bridge deck drainage french drain, water inlet, drainpipe, downpipe.But In actual design, the setting of rubble french drain and water inlet periphery waterproof layer is often eliminated, causes impeded drainage and infiltration existing As occurring.The draining of Highway in Loess Area bridge gets the brush-off always in the design and construction stage, until operation maintenance stage problem Seriousness is just highlighted, and most of bridge draining be due to inlet for stom water or spilled water hole just under bridge, particularly in loess Area is likely to moment rainfall intensity greatly, causes ponding under bridge, Cheng Keng, and the later stage is difficult to repair, and is brought to operation maintenance unit Huge trouble.
In recent years, according to Canal in Loess Area bridge operation present situation, most of bridge sets up central drainage pipe during operation, Drainpipe mainly uses PVC material, and the later stage sets up difficulty, easy frost heave, and concentrates delivery port to set collecting-tank, floor space Greatly.A kind of new deck drainage system need to be used for this problem, on the one hand prevents deck paving from damaging, on the other hand reduces Spilled water hole at pier to washing away.So far, there is not yet the report that this kind of drainage system device is applied on highway bridge.
Utility model content
It is an object of the invention to provide a kind of drainage system device of Highway in Loess Area bridge, to solve bridge deck drainage Smooth, deck paving damage, frost heave, delivery port do not wash away the problem of influence such as serious is used.
To achieve these goals, the present invention is adopted the following technical scheme that:
A kind of drainage system device for Highway in Loess Area bridge, including:Positioned at water inlet longitudinal french drain and Horizontal french drain;Glass fiber grid, is laid at the top of longitudinal french drain and horizontal french drain;Tapping pipe, it is blind that the longitudinal direction is stretched on top Ditch and horizontal french drain;Sluicing lid, is arranged on the top of the tapping pipe.
Further, the tapping pipe passes through girder wing plate, a diameter of 15cm.
Further, the tapping pipe connects tubaeform delivery port after passing through girder wing plate, the tubaeform delivery port The a diameter of 30cm of root edge.
Further, the tapping pipe sets neck and screen pack with tubaeform water outlet.
Further, the mesh diameter of the screen pack is 1mm.
Further, the tubaeform delivery port sets netted spilled water hole.
Further, the mesh diameter of the netted spilled water hole is 0.6mm.
Further, the tapping pipe is steel pipe or cast iron pipe.
Further, graded broken stone is laid in longitudinal french drain and horizontal french drain.
The beneficial effects of the utility model are:
1st, french drain is increased in water inlet, sets up horizontal french drain, can effectively discharge intermediary water, reduce asphalt concrete bridge surface Mat formation damaged condition.
2nd, tapping pipe lower edge sets up tubaeform delivery port, and sets screen pack, and filtering net meshe is slightly larger than water outlet net The mesh of shape spilled water hole, plays and slows down flow velocity, filters the effect of debris.
3rd, tubaeform delivery port, sets netted spilled water hole, and diameter is big, and mesh diameter is small, flows down by screen pack above Water, then dissipate drain under bridge, greatly reduce and pier pile foundation washed away.
4th, the utility model implements material using more typical cast iron, can save construction costs and improve bridge floor, bridge Lower drainage system.
Brief description of the drawings
Fig. 1 be the utility model in Highway in Loess Area bridge drainage system device longitudinal sectional structure chart.
Fig. 2 is the tapping pipe and the combination assumption diagram of tubaeform delivery port in the utility model.
Fig. 3 be utility model in screen pack schematic diagram.
Fig. 4 is the organigram of netted spilled water hole in the utility model.
Reference:
Longitudinal french drain 1, horizontal french drain 2, the top steel tubing portions 3 of tapping pipe, sluicing lid 4, tapping pipe middle part 5, filtering Net 6, tubaeform delivery port 7.
Embodiment
Realization, functional characteristics and the beneficial effect of the utility model purpose, below in conjunction with the accompanying drawings with specific embodiment to this Utility model technical scheme is described in further detail, so that those skilled in the art can be better understood from this practicality newly Type can be simultaneously practiced, but illustrated embodiment is limited not as to of the present utility model.
A kind of drainage system device for Highway in Loess Area bridge, including:The He of longitudinal french drain 1 positioned at water inlet Horizontal french drain 2;Glass fiber grid, is laid on longitudinal french drain 1 and the horizontal top of french drain 2;The top steel tubing portions 3 of tapping pipe are stretched Enter longitudinal french drain 1 and horizontal french drain 2;Sluicing lid 4, is arranged on the top of top steel tubing portions 3 of the tapping pipe.Sluice 5 pass through girder wing plate, a diameter of 15cm, a diameter of 30cm of connection root edge tubaeform delivery port 7 in the middle part of pipe.5 in the middle part of tapping pipe It is 1mm screen pack 6 that neck and mesh diameter are set between tubaeform delivery port 7.Tubaeform delivery port 7 sets mesh diameter For 0.6mm netted spilled water hole.
During tubaeform 7 processing and fabricating of delivery port, 1cm neck is reserved at variable cross-section, the U-shaped screen pack 6 of processing is made.In advance Spilled water hole is reserved during girder processed, tubaeform delivery port 7 is embedded into girder flange plate.After bridge surface waterproof layer construction is finished, letting out Water hole, which is in, brushes same waterproof material, so that lower infiltration is smoothly drained into spilled water hole.Adopted after the pitch cutting optimal that paves Rubble french drain is formed with the mode of sawing, graded broken stone is inside filled out, voidage is more than 20%.Laying glass fiber grid at the top of french drain, and After lay upper layer.Water inlet is hollowed out by the way of sawing after the asphalt uplayer that paved.Screen pack is put into tapping pipe, It is capped lid.
The utility model top to bottm sets gradually lid, french drain, glass fiber grid, waterproof layer, tapping pipe, screen pack, loudspeaker Shape delivery port.Bridge floor water and bituminous concrete interlayer water drain into french drain, seepage flow to tapping pipe, and tapping pipe has filtering, slows down, dissipates The effect of row.Bridge floor water, which is concentrated, imports tapping pipe, by one of screen pack, on the one hand filters debris, on the other hand, due to its tool Perforated effect of contraction, slows down the flow velocity for importing water.Tubaeform delivery port, root edge diameter is twice than tapping pipe, and eyelet is more It is small, with row's effect is obviously dissipated, weaken current scour under bridge.The utility model has in the draining of Highway in Loess Area bridge There is obvious drainage efficiency, and weaken the souring to Canal in Loess Area soil property under bridge, have more than traditional drainage system Big dispersiveness, is effectively protected pier pile foundation under bridge, has significant protective effect for natural environment.
The foregoing is only Illustrative embodiments of the present utility model, not to limit the utility model, it is all Any modifications, equivalent substitutions and improvements made within spirit and principle of the present utility model etc., should be included in this practicality new Within the protection domain of type.

Claims (9)

1. a kind of drainage system device for Highway in Loess Area bridge, it is characterised in that including:Positioned at the vertical of water inlet To french drain and horizontal french drain;Glass fiber grid, is laid at the top of longitudinal french drain and horizontal french drain;Institute is stretched on tapping pipe, top State longitudinal french drain and horizontal french drain;Sluicing lid, is arranged on the top of the tapping pipe.
2. the drainage system device according to claim 1 for Highway in Loess Area bridge, it is characterised in that described to let out Water pipe passes through girder wing plate, a diameter of 15cm.
3. the drainage system device according to claim 2 for Highway in Loess Area bridge, it is characterised in that described to let out Water pipe connects tubaeform delivery port, a diameter of 30cm of root edge of the tubaeform delivery port after passing through girder wing plate.
4. the drainage system device according to claim 3 for Highway in Loess Area bridge, it is characterised in that described to let out Water pipe sets neck and screen pack with tubaeform water outlet.
5. the drainage system device according to claim 4 for Highway in Loess Area bridge, it is characterised in that the mistake The mesh diameter of filter screen is 1mm.
6. the drainage system device for Highway in Loess Area bridge according to any one in claim 3-4, it is special Levy and be, the tubaeform delivery port sets netted spilled water hole.
7. the drainage system device according to claim 6 for Highway in Loess Area bridge, it is characterised in that the net The mesh diameter of shape spilled water hole is 0.6mm.
8. the drainage system device for Highway in Loess Area bridge according to any one in claim 1-5, it is special Levy and be, the tapping pipe is steel pipe or cast iron pipe.
9. the drainage system device for Highway in Loess Area bridge according to any one in claim 1-5, it is special Levy and be, laying graded broken stone in longitudinal french drain and horizontal french drain.
CN201720042988.7U 2017-01-13 2017-01-13 A kind of drainage system device for Highway in Loess Area bridge Expired - Fee Related CN206581137U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720042988.7U CN206581137U (en) 2017-01-13 2017-01-13 A kind of drainage system device for Highway in Loess Area bridge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720042988.7U CN206581137U (en) 2017-01-13 2017-01-13 A kind of drainage system device for Highway in Loess Area bridge

Publications (1)

Publication Number Publication Date
CN206581137U true CN206581137U (en) 2017-10-24

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Application Number Title Priority Date Filing Date
CN201720042988.7U Expired - Fee Related CN206581137U (en) 2017-01-13 2017-01-13 A kind of drainage system device for Highway in Loess Area bridge

Country Status (1)

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CN (1) CN206581137U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109680607A (en) * 2019-01-14 2019-04-26 山西省交通科学研究院有限公司 A kind of loessial gulch area bridge drainpipe construction and construction method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109680607A (en) * 2019-01-14 2019-04-26 山西省交通科学研究院有限公司 A kind of loessial gulch area bridge drainpipe construction and construction method

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20171024

Termination date: 20190113

CF01 Termination of patent right due to non-payment of annual fee