CN210946366U - Roadbed protective structure permeates water - Google Patents
Roadbed protective structure permeates water Download PDFInfo
- Publication number
- CN210946366U CN210946366U CN201921677022.6U CN201921677022U CN210946366U CN 210946366 U CN210946366 U CN 210946366U CN 201921677022 U CN201921677022 U CN 201921677022U CN 210946366 U CN210946366 U CN 210946366U
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- water
- permeable
- waterproof board
- roadbed
- bituminous paving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Abstract
The utility model relates to a roadbed protective structure permeates water, including laying the road bed on the ground and setting up in the curb protection bank protection of road bed both sides, the waterproof board has been laid to the road bed surface, the waterproof board upper berth is equipped with water permeability bituminous paving, the wash port that runs through water permeability bituminous paving is vertically seted up on water permeability bituminous paving, be provided with first permeable membrane between water permeability bituminous paving and the waterproof board, pre-buried a plurality of collector pipes in the road bed, the collector pipe runs through the waterproof board, the collector pipe lateral wall cooperates with the waterproof board lateral wall is sealed, pre-buried the drain pipe in road bed and the curb protection bank protection, the collector pipe delivery port and drain pipe switch-on, drain pipe delivery port and the domatic switch-on of curb. The utility model has the advantages that: the utility model discloses can be rapid get rid of ponding on the road surface, improve the drainage performance on road surface.
Description
Technical Field
The utility model belongs to the road engineering field especially relates to a roadbed protective structure permeates water.
Background
Roadbed, the structure that directly supports the road formed by filling or digging. The roadbed is connected with the bridge and the tunnel to jointly form a circuit. The subgrade has two basic forms according to different terrain conditions: embankment and cutting, commonly known as fill and excavation. The roadbed mainly has the functions of providing necessary conditions for train or travelling operation, bearing static load and dynamic load of rolling stock or road surface and traffic load, and transmitting and diffusing the load to the deep part of the foundation.
The current chinese patent that publication number is CN207608778U discloses a highway subgrade protective structure, including the road bed main part, the waterproof board has all been laid to the lateral wall about the road bed main part, the foundatin plate has been laid to road bed main part top, the permeable membrane has all been laid to the lateral wall about the foundatin plate, road bed protection stone wall building has been laid to the permeable membrane lateral wall, the road bed main part is inside from last to having adopted the rubble bed course down in proper order, powder fine grit gravel layer and bearing reinforcing bar pouring form, the foundatin plate is inside from last to having laid the road bed closed bed down in proper order, the waterproof board, coarse grained soil and separate the temperature brickl.
The above technical solution has the following disadvantages: the drainage system on the road surface is not perfect enough, and in continuous rainy days, more accumulated water is easy to accumulate on the road surface and is difficult to retreat in a short time, so that potential safety hazards are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a roadbed protective structure permeates water can discharge in the short time and pile up the ponding on the road surface, has improved the drainage performance on road surface.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a roadbed protective structure permeates water, includes the road bed of laying on the ground and sets up in the curb protection bank protection of road bed both sides, the waterproof board has been laid to the road bed surface, the waterproof board upper berth is equipped with water permeability bituminous paving, the wash port that runs through water permeability bituminous paving is vertically seted up on water permeability bituminous paving, be provided with first permeable membrane between water permeability bituminous paving and the waterproof board, pre-buried a plurality of collector pipes in the road bed, the collector pipe runs through the waterproof board, the collector pipe lateral wall cooperates with the waterproof board lateral wall seal, pre-buried the drain pipe in road bed and the curb protection bank protection, the collector pipe delivery port and drain pipe switch-on, drain pipe delivery port and the domatic switch-on of curb protection slope.
Through adopting above-mentioned technical scheme, water permeability bituminous paving uses the coarse aggregate of single particle diameter as the main usually, its great space is interrupted the gradation bituminous mixture, can be rapid from the inside ponding of walking away the road surface, when water permeability bituminous pavement piles up more ponding, ponding passes through water permeability bituminous pavement inside and wash port, arrange surface ponding to the waterproof board surface rapidly, and ponding can not see through the waterproof board, can play certain guard action to the road base, ponding passes through first permeable membrane flow direction collector pipe, later flow direction drain pipe, it is domatic to flow to the curb bank protection at last, thereby rapid with the ponding discharge on the road surface.
The utility model discloses further set up to: the road shoulder protection slope is domatic has seted up the water drainage tank, the water drainage tank water inlet is located domatic top, the drain pipe delivery port is put through with the water drainage tank, the escape canal has been seted up on the ground, the escape canal is located the both sides of road bed, the water drainage tank is put through with the escape canal.
Through adopting above-mentioned technical scheme, the ponding flow direction drainage channel's of road surface both sides water inlet, ponding pass through drainage channel flow direction escape canal, and the ponding in the drain pipe also flows to the escape canal through the drainage channel, has increased the exhaust velocity of surface gathered water.
The utility model discloses further set up to: the upper end of the drainage groove is provided with a water collecting opening.
Through adopting above-mentioned technical scheme, being provided with of water catch bowl does benefit to in draining the water drainage tank with the ponding of road surface both sides, makes the faster discharge of the ponding on road surface.
The utility model discloses further set up to: the drainage ditch lower extreme is provided with the supporting groove, the supporting groove is put through with the escape canal.
Through adopting above-mentioned technical scheme, the setting up of a groove has not only played the reposition of redundant personnel effect, still is favorable to slowing down the velocity of flow of water drainage tank rivers, reduces rivers and to the washing away in water drainage tank low reaches, has played certain guard action to the curb protection bank protection.
The utility model discloses further set up to: the water permeability bituminous paving both sides are provided with the second membrane of permeating water, the second membrane of permeating water is located between water permeability bituminous paving and the curb protection bank protection, set up hydrophobic hole in the curb protection slope, the water inlet and the second membrane of permeating water contact in hydrophobic hole, the delivery port and the water drainage tank switch-on in hydrophobic hole.
Through adopting above-mentioned technical scheme, the ponding of waterproof board both sides passes through the second membrane of permeating water, flows into hydrophobic hole, later flows into the water drainage tank, makes the faster flow direction water drainage tank of ponding of waterproof board both sides.
The utility model discloses further set up to: the surface of the water-permeable asphalt pavement is provided with a counter bore, the axis of the counter bore is superposed with the axis of the drain hole, a drainage filter screen is arranged in the counter bore, and the drainage filter screen is provided with a plurality of filter holes.
Through adopting above-mentioned technical scheme, ponding on the road surface flows to the wash port through the filtration pore flow direction of drainage filter screen, and the setting up of drainage filter screen can block debris on the road surface and get into the wash port, reduces the phenomenon of drain hole jam.
The utility model discloses further set up to: the drainage filter screen is provided with a handle.
Through adopting above-mentioned technical scheme, when piling up debris in the drainage filter screen, can take out the drainage filter screen in the drainage hole to clear away the debris in the drainage filter screen, the setting of handle can be more rapid takes out the drainage filter screen.
The utility model discloses further set up to: the road bed includes from up concrete layer, fine grit gravel layer and the rubble bed course of laying down, the drain pipe is pre-buried in fine grit gravel layer.
Through adopting above-mentioned technical scheme, concrete layer's setting makes the road bed have better resistance to compression and bearing capacity.
To sum up, the utility model discloses a beneficial technological effect does:
1. water permeability bituminous paving uses the coarse aggregate of single particle diameter usually as leading, its great space is interrupted the gradation bituminous mixture, can be rapid from the inside ponding of walking away the road surface, when water permeability bituminous pavement piles up more ponding, ponding passes through inside and the wash port of water permeability bituminous pavement, arrange surface ponding to the waterproof board surface rapidly, and ponding can not see through the waterproof board, can play certain guard action to the road base, ponding passes through first permeable membrane flow direction collector pipe, later flow direction drain pipe, flow direction curb protection slope face at last, thereby rapid with the ponding discharge on the road surface.
2. The ponding of road surface both sides flows to the water inlet of water drainage tank, and the ponding passes through water drainage tank flow direction escape canal, and the ponding in the drain pipe also passes through water drainage tank flow direction escape canal, has increased the discharge velocity of surface ponding, and the setting of catchmenting mouth is favorable to in draining the water drainage tank with the ponding of road surface both sides, makes the drainage more rapid of the ponding on road surface, and the setting of drainage filter screen can block debris on the road surface and get into the wash port, reduces the phenomenon that the discharge hole blockked up.
Drawings
Fig. 1 is a sectional view of a permeable roadbed protective structure;
FIG. 2 is an enlarged partial schematic view of portion A of FIG. 1;
FIG. 3 is a schematic view of a drainage screen of a permeable subgrade protective structure;
fig. 4 is a top view of the permeable roadbed protective structure.
In the figure, 1, foundation; 2. a roadbed; 3. protecting the slope by road shoulders; 4. a concrete layer; 5. a fine grit layer; 6. a gravel cushion layer; 7. a waterproof sheet; 8. a water permeable asphalt pavement; 9. a drain hole; 10. a drainage filter screen; 11. a water collection pipe; 12. a drain pipe; 13. a water discharge tank; 14. a drainage ditch; 15. a first water permeable membrane; 16. a second water permeable membrane; 17. a hydrophobic pore; 18. a counter bore; 19. a water collection port; 20. a handle; 21. a filtration pore; 22. and (7) supporting the groove.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, for the utility model discloses a roadbed protective structure permeates water, including vertically laying roadbed 2 and the curb protection slope 3 on ground 1, curb protection slope 3 is located the both sides of roadbed 2. Waterproof board 7 has been laid on the surface of road bed 2, is provided with water permeability bituminous paving 8 on the waterproof board 7, and water permeability bituminous paving 8's upper surface is connected with 3 tops of curb protection bank protection.
Referring to fig. 1 and 2, a water-permeable asphalt pavement 8 is vertically provided with a drain hole 9 penetrating the water-permeable asphalt pavement 8. The surface of the waterproof plate 7 is covered with a first permeable membrane 15, the first permeable membrane 15 is positioned between the waterproof plate 7 and the permeable asphalt pavement 8, and the lower end of the drain hole 9 is attached to the first permeable membrane 15. Vertically be provided with a plurality of collector pipes 11 in road bed 2, the vertical side that runs through waterproof board 7 of collector pipe 11, the sealed cooperation of collector pipe 11 lateral wall and waterproof board 7 lateral wall, the upper end and the first membrane 15 laminating of permeating water of collector pipe 11. The water discharge pipes 12 are horizontally embedded in the roadbed 2 and the road shoulder protection slope 3, the lower ends of the water collection pipes 11 are communicated with the water discharge pipes 12, and the water outlets of the water discharge pipes 12 are communicated with the slope surfaces of the road shoulder protection slopes 3 on the two sides.
The water-permeable asphalt pavement 8 mainly takes coarse aggregates with single particle size as a main component, the main component of the water-permeable asphalt pavement 8 is graded asphalt mixture, and the graded asphalt mixture is broken by a larger gap in the water-permeable asphalt pavement 8, so that the water-permeable asphalt pavement 8 has good water permeability, and accumulated water on the pavement can be rapidly drained away from the inside of the water-permeable asphalt pavement 8. When more ponding is piled up on water permeability bituminous paving 8's surface, ponding is through 8 inside and 8 the wash port 9 of water permeability bituminous paving, walks the quick row of ponding on road surface. When ponding rivers to wash port 9 bottoms, ponding permeates 7 surfaces of waterproof board through first membrane 15 of permeating water, and first membrane 15 of permeating water can make rivers flow in 7 surfaces of waterproof board, and when rivers flow to collector pipe 11 water inlet, rivers enter into collector pipe 11 in, rivers along 11 flow direction drain pipes 12 of collector pipe, and it is domatic that slope protection 3 is protected to final flow direction way shoulder.
Referring to fig. 2 and 3, a counter bore 18 is vertically arranged on the surface of the water permeable asphalt pavement 8, and the axis of the counter bore 18 is coincident with the axis of the drainage hole 9. The bottom of the counter bore 18 is provided with a drainage filter screen 10, the drainage filter screen 10 is of a barrel-shaped structure, and the bottom surface and the side surface of the drainage filter screen 10 are both provided with filter holes 21. When water is accumulated on the road surface, a part of the accumulated water on the road surface flows to the drain hole 9 through the filter hole 21 of the drain filter screen 10, and sundries such as stones with large volume are left in the drain filter screen 10 to prevent the sundries from entering the drain hole 9.
Referring to fig. 3, a semicircular handle 20 is connected to a side wall of the drain strainer 10, and both ends of the handle 20 are rotatably connected to the side wall of the drain strainer 10. When sundries are accumulated in the drainage filter screen 10, the drainage filter screen 10 can be taken out of the drainage hole 9, then the sundries in the drainage filter screen 10 are removed, and the arrangement of the handle 20 enables people to take the drainage filter screen 10 more quickly.
Referring to fig. 1 and 4, at the domatic water drainage tank 13 of having seted up of shoulder protection slope 3, water drainage tank 13's water inlet is located domatic top, and water drainage tank 13 water inlet flow direction water drainage tank 13 is followed to ponding of 8 both sides of water permeability bituminous paving. A drainage ditch 14 is formed in the foundation 1, the drainage ditch 14 is located on two sides of the foundation 2, the length direction of the drainage ditch 14 is perpendicular to the length direction of the drainage groove 13, and water flow in the drainage groove 13 flows into the drainage ditch 14 from the bottom end of the drainage groove 13. The water outlet of the drain pipe 12 is connected to the drain tank 13, and the water in the drain pipe 12 is discharged from the water outlet of the drain pipe 12 into the drain tank 13 and finally flows to the drain 14.
Be provided with water catch mouth 19 in water drainage tank 13 upper end, water catch mouth 19 sets up and is favorable to draining the ponding of road surface both sides to water drainage tank 13 in, can be more rapid the ponding on the discharge road surface. A branch groove 22 is provided at the lower end of the drain groove 13, and the branch groove 22 is positioned above the drain groove 14. The branch groove 22 can play certain reposition of redundant personnel effect, and when the rivers comparison in water drainage tank 13 was torrent, branch groove 22 can slow down the velocity of flow of water drainage tank 13 rivers, reduced the washing out of rivers to water drainage tank 13 low reaches, had played certain guard action to shoulder protection bank protection 3.
Referring to fig. 2 and 4, a second permeable membrane 16 is disposed on both sides of the permeable asphalt pavement 8, the second permeable membrane 16 is closely attached to both sides of the permeable asphalt pavement 8, and the second permeable membrane 16 is located between the permeable asphalt pavement 8 and the shoulder protection slope 3. Offer hydrophobic hole 17 in shoulder of a road protection slope 3, hydrophobic hole 17 is the slope setting, and the water inlet and the second of hydrophobic hole 17 are permeated water membrane 16 and are closely laminated, and the delivery port and the water drainage tank 13 switch-on of hydrophobic hole 17. After the accumulated water passes through the drainage hole 9, a part of the accumulated water flows to both sides of the waterproof plate 7, and the accumulated water on both sides of the waterproof plate 7 can permeate through the second water permeable membrane 16 to flow into the drainage hole 17, then flow to the drainage groove 13, and finally collect in the drainage ditch 14.
The implementation principle of the embodiment is as follows: ponding on the road surface flows to waterproof board 7 surfaces through the inside of water permeability bituminous paving 8 and wash port 9, and ponding permeates to in the collector pipe 11 through first membrane 15 of permeating water, and ponding flows along collector pipe 11, later collects at drain pipe 12, then flows to water drainage tank 13, finally flows to escape canal 14, and the ponding of road surface both sides flows to water drainage tank 13 in from water catch bowl 19, finally flows to escape canal 14.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A permeable roadbed protection structure comprises a roadbed (2) paved on a foundation (1) and road shoulder protection slopes (3) arranged on two sides of the roadbed (2); the method is characterized in that: waterproof board (7) have been laid on road bed (2) surface, waterproof board (7) upper berth is equipped with water permeability bituminous paving (8), wash port (9) that runs through water permeability bituminous paving (8) are vertically seted up in water permeability bituminous paving (8), be provided with first permeable membrane (15) between water permeability bituminous paving (8) and waterproof board (7), pre-buried in road bed (2) have a plurality of collector pipes (11), collector pipe (11) run through waterproof board (7), collector pipe (11) lateral wall and waterproof board (7) lateral wall sealing cooperation, pre-buried in road bed (2) and the curb protection slope (3) have drain pipe (12), collector pipe (11) delivery port and drain pipe (12) switch-on, drain pipe (12) delivery port and the domatic switch-on of curb protection slope (3).
2. The permeable roadbed protective structure of claim 1, wherein: road shoulder protects bank protection slope (3) and has domatic seted up water drainage tank (13), water drainage tank (13) water inlet is located domatic top, drain pipe (12) delivery port and water drainage tank (13) switch-on, escape canal (14) have been seted up on ground (1), escape canal (14) are located the both sides of road bed (2), water drainage tank (13) and escape canal (14) switch-on.
3. The permeable roadbed protective structure of claim 2, wherein: and a water collecting opening (19) is formed in the upper end of the drainage groove (13).
4. A permeable roadbed protective structure according to claim 3, characterized in that: the lower end of the drainage groove (13) is provided with a branch groove (22), and the branch groove (22) is communicated with the drainage ditch (14).
5. The permeable roadbed protective structure of claim 4, wherein: water permeability bituminous paving (8) both sides are provided with second permeable membrane (16), second permeable membrane (16) are located between water permeability bituminous paving (8) and curb protection bank protection (3), set up hydrophobic hole (17) in curb protection bank protection (3), the water inlet and the second permeable membrane (16) contact of hydrophobic hole (17), the delivery port and the water drainage tank (13) switch-on of hydrophobic hole (17).
6. The permeable roadbed protective structure of claim 1, wherein: a counter bore (18) is formed in the surface of the water-permeable asphalt pavement (8), the axis of the counter bore (18) is overlapped with the axis of the drain hole (9), a drain filter screen (10) is arranged in the counter bore (18), and the drain filter screen (10) is provided with a plurality of filter holes (21).
7. The permeable roadbed protective structure of claim 6, wherein: the drainage filter screen (10) is provided with a handle (20).
8. The permeable roadbed protective structure of claim 1, wherein: the roadbed (2) comprises a concrete layer (4) laid from bottom to top, a fine sand gravel layer (5) and a broken stone cushion layer (6), and the drain pipe (12) is pre-buried in the fine sand gravel layer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677022.6U CN210946366U (en) | 2019-10-08 | 2019-10-08 | Roadbed protective structure permeates water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921677022.6U CN210946366U (en) | 2019-10-08 | 2019-10-08 | Roadbed protective structure permeates water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210946366U true CN210946366U (en) | 2020-07-07 |
Family
ID=71392588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921677022.6U Expired - Fee Related CN210946366U (en) | 2019-10-08 | 2019-10-08 | Roadbed protective structure permeates water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210946366U (en) |
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2019
- 2019-10-08 CN CN201921677022.6U patent/CN210946366U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200707 Termination date: 20211008 |