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 PDFInfo
- 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
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- 238000010079 rubber tapping Methods 0.000 claims abstract description 26
- 239000003365 glass fiber Substances 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
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- 238000010276 construction Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000001340 slower Effects 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 3
- 239000004567 concrete Substances 0.000 abstract description 2
- 239000011229 interlayer Substances 0.000 abstract description 2
- 230000001681 protective Effects 0.000 abstract description 2
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- 239000012141 concentrate Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 101700004242 STOM Proteins 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
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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
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.
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 |
Family
ID=60111235
Family Applications (1)
| 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)
| Country | Link |
|---|---|
| CN (1) | CN206581137U (en) |
Cited By (1)
| 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 |
-
2017
- 2017-01-13 CN CN201720042988.7U patent/CN206581137U/en not_active Expired - Fee Related
Cited By (1)
| 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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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: 20171024 Termination date: 20190113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |