CN212505697U - Road surface rainwater side drainage permeation structure - Google Patents
Road surface rainwater side drainage permeation structure Download PDFInfo
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- CN212505697U CN212505697U CN202020784317.XU CN202020784317U CN212505697U CN 212505697 U CN212505697 U CN 212505697U CN 202020784317 U CN202020784317 U CN 202020784317U CN 212505697 U CN212505697 U CN 212505697U
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Abstract
The utility model discloses a road surface rainwater side row infiltration structure, include: the infiltration ditch is set up by the subgrade base indent, and the vertical kerb that has propped up on the subgrade base of infiltration ditch both sides, or the vertical kerb that has propped up on the subgrade base of infiltration ditch one side, the kerb extends along the length direction of road bed, and the space intussuseption that infiltration ditch and kerb constitute is filled with the infiltration layer that is used for the infiltration rainwater. A plurality of water drainage through holes are formed in the curb stone at intervals in the length direction of the curb stone, the water inlet ends of the water drainage through holes are communicated with the road surface of a road layer laid on a roadbed base surface, and the water drainage ends of the water drainage through holes are communicated with the percolation layer so as to allow rainwater on the road surface to percolate into the percolation layer. The utility model discloses in the structure, not only can increase drainage rate, reduce the scouring force of drainage to the road bed and greenbelt soil body simultaneously, and can increase the permeability and the rainwater permeability rate to the rainwater, improve the utilization ratio of rainwater.
Description
Technical Field
The utility model relates to a road surface rainwater side row field relates to a road surface rainwater side row infiltration structure especially.
Background
At present, sponge city construction is vigorously advocated in China, and in Shenzhen dragon hillock region and slab distribution liaison road project construction of the Shenzhen city, which is carried out by China, the road is provided with a water inlet (a rainwater collecting port) for enabling rainwater to permeate into roadbed soil bodies and green belt soil bodies according to the requirement of Shenzhen city sponge city construction. However, as the construction time span of the project is long, the phenomenon that water is lost at a green belt and a roadbed at a rainwater collecting opening due to over concentrated water flow at the constructed rainwater collecting water inlet is found in the construction process; and rainwater collecting water inlets on the kerbstone cannot be arranged too much (at least one is arranged at intervals of 20 m) so as not to influence the driving safety of the road.
SUMMERY OF THE UTILITY MODEL
The utility model provides a road surface rainwater side row infiltration structure to solve among the prior art through set up the rainwater and collect the phenomenon that the mouth department greenbelt and the road bed have the water loss that causes that the mouth exists and influence road driving safety's technical problem through set up on the curb.
The utility model adopts the technical scheme as follows:
a road surface rain side drain penetration structure comprising: the infiltration ditch is concavely arranged on a roadbed base surface and extends along the length direction of the roadbed, curb stones are vertically erected on the roadbed base surfaces at two sides of the infiltration ditch, or curb stones are vertically erected on the roadbed base surface at one side of the infiltration ditch, the curb stones extend along the length direction of the roadbed, and a space formed by the infiltration ditch and the curb stones is filled with an infiltration layer for infiltrating rainwater; a plurality of water drainage through holes are formed in the curb stone at intervals in the length direction of the curb stone, the water inlet ends of the water drainage through holes are communicated with the road surface of a road layer laid on a roadbed base surface, and the water drainage ends of the water drainage through holes are communicated with the percolation layer so as to allow rainwater on the road surface to percolate into the percolation layer.
Furthermore, the drainage through holes are distributed on the side wall surface of the curb stone and vertically penetrate through the curb stone along the thickness direction of the curb stone; or the drainage through holes are distributed on the side wall surface of the curb stone and downwards incline to penetrate through the curb stone along the direction from the water inlet side to the water outlet side of the curb stone.
Further, the cross section of the drainage through hole is circular, rectangular or regular polygon; the cross-sectional area of the drainage through hole is gradually reduced from the water inlet end to the water outlet end.
Further, the diameter of the drainage through hole is 60 mm-80 mm; the height between the lowest point of the water inlet end of the water drainage through hole and the road surface is 0-20 mm.
Furthermore, a plurality of water drainage through holes are uniformly distributed at intervals in the length direction of the kerb, and the distance between every two adjacent water drainage through holes is 300-500 mm.
Further, the infiltration layer comprises a gravel layer and a backfill soil layer; the crushed stone layer is filled at the bottom of the infiltration groove to a position 50 mm-100 mm above the drainage through hole; and the backfill soil layer is laid on the gravel layer, and the upper surface of the backfill soil layer is flush with the top surface of the curb stone at the curb edge, or the upper surface of the backfill soil layer is 50-100 mm away from the top surface of the curb stone at the curb edge.
Furthermore, the road surface rainwater side drainage and permeation structure also comprises a first permeation pipe for permeating rainwater, the water inlet end of the first permeation pipe is communicated with the correspondingly arranged drainage through hole, and the drainage end of the first permeation pipe is inserted into the percolation layer in the percolation channel; the infiltration layer comprises a crushed stone layer and a backfill soil layer; the crushed stone layer is filled in the percolation channel; and the backfill soil layer is laid on the gravel layer, and the upper surface of the backfill soil layer is flush with the top surface of the curb stone at the curb edge, or the upper surface of the backfill soil layer is 50-100 mm away from the top surface of the curb stone at the curb edge.
Furthermore, the road surface rainwater side drainage and permeation structure also comprises a second permeation pipe for permeating rainwater, and the second permeation pipe is arranged in a percolation layer in the percolation channel and extends along the length direction of the percolation channel; the water discharge end of the first permeation tube is communicated with the side wall of the second permeation tube.
Furthermore, the road surface rainwater side drainage and permeation structure further comprises a geotextile used for preventing a roadbed soil body from reversely permeating into the gravel layer, and the geotextile wraps the gravel layer.
Furthermore, the road surface rainwater side drainage and permeation structure also comprises curb flat stones paved on the roadbed base surface, wherein the curb flat stones are arranged between the road layer and the curb side corresponding to the road layer, two sides of the curb flat stones respectively support against the side edges of the road layer and the side wall surfaces of the curb flat stones, and the curb flat stones extend along the length direction of the roadbed; the upper surface of the curb flat stone is flush with the pavement of the road layer.
The utility model discloses following beneficial effect has:
in the road surface rainwater side drainage infiltration structure of the utility model, the infiltration ditch extending along the length direction of the road foundation is arranged, the space formed by the infiltration ditch and the curb is filled with the infiltration layer for infiltrating rainwater, and the curb is provided with a plurality of drainage through holes at intervals in the length direction in sequence, and each drainage through hole is respectively communicated with the road surface and the infiltration layer, thereby the rainwater on the road surface can be uniformly, dispersedly and quickly drained into the infiltration layer through the drainage through holes, compared with the prior art, the rainwater is intensively drained through the rainwater collection port, when being drained through the drainage through holes, the drainage speed can be increased, the scouring force of the drainage on the soil body of the road foundation and the green belt is reduced, the scouring water loss of the road foundation and the green belt due to overlarge rainfall is avoided, and the permeability and the rainwater infiltration speed can be increased through the arrangement of the infiltration layer, thereby improving the utilization rate of rainwater; on the other hand, the drainage through-hole is laid in the curb, and need not to break off the curb for the curb can be in succession on its length direction, thereby be favorable to the driving safety and the pedestrian safety of road, and need not to set up rainwater collection mouth on the road bed, make the road bed's of preventing under the curb wholeness and the stability better, and then improve the life of road.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a first schematic view of a road surface rain side drainage penetration structure according to a preferred embodiment of the present invention;
FIG. 2 is a second schematic view of a road surface rain side drainage penetration structure according to a preferred embodiment of the present invention;
FIG. 3 is a front view schematic illustration of a first embodiment of the curb of FIG. 1;
FIG. 4 is a schematic top view of the structure of FIG. 3;
FIG. 5 is a front view schematic illustration of a second embodiment of the curb of FIG. 1;
fig. 6 is a schematic top view of the structure of fig. 5.
Description of the figures
10. A percolation channel; 20. a roadbed; 30. curbstones; 301. a drain through hole; 40. a road layer; 401. a pavement; 50. a percolation layer; 51. a crushed stone layer; 52. backfilling the soil layer; 60. a first permeate tube; 70. a second permeate tube; 80. curb flat stone.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a road surface rainwater side drainage penetration structure, including: the infiltration ditch 10 is concavely arranged on the roadbed base surface, the infiltration ditch 10 extends along the length direction of the roadbed 20, curb 30 is vertically erected on the roadbed base surfaces on two sides of the infiltration ditch 10, or the curb 30 is vertically erected on the roadbed base surface on one side of the infiltration ditch 10, the curb 30 extends along the length direction of the roadbed 20, and a space formed by the infiltration ditch 10 and the curb 30 is filled with an infiltration layer 50 for infiltrating rainwater. The curb 30 is provided with a plurality of water drainage through holes 301, the plurality of water drainage through holes 301 are arranged at intervals in sequence in the length direction of the curb 30, the water inlet end of each water drainage through hole 301 is communicated with the road surface 401 of the road layer 40 laid on the roadbed base surface, and the water drainage end of each water drainage through hole 301 is communicated with the percolation layer 50 so as to allow rainwater on the road surface 401 to seep into the percolation layer 50.
In the road surface rainwater side drainage infiltration structure of the utility model, the infiltration ditch 10 extending along the length direction of the roadbed 20 is arranged, the space formed by the infiltration ditch 10 and the curb 30 is filled with the infiltration layer 50 for infiltrating rainwater, the curb 30 is provided with a plurality of drainage through holes 301 at intervals in sequence in the length direction, and each drainage through hole 301 is respectively communicated with the road surface 401 and the infiltration layer 50, thereby rainwater on the road surface can be uniformly, dispersedly and quickly drained into the infiltration layer 50 through the drainage through holes 301, compared with the prior art, the rainwater is intensively drained through a rainwater collecting port, when being drained through the drainage through holes 301, the drainage rate can be increased, the scouring force of the drainage on the soil body of the roadbed and the green belt is reduced, the scouring water loss of the roadbed and the green belt due to overlarge rainfall is avoided, and the infiltration layer 50 is arranged, the infiltration rate and the rainwater infiltration rate can be increased, thereby improving the utilization rate of rainwater; on the other hand, drainage through hole 301 lays in curb 30, and need not to break off curb 30 for curb 30 can be in succession in its length direction, thereby is favorable to the driving safety and the pedestrian safety of road, and need not to set up rainwater collection mouth on road bed 20, and the wholeness and the stability of road bed 20 that make curb 30 prevent down are better, and then improve the life of road.
Alternatively, as shown in fig. 3 to 6, the drainage through holes 301 are arranged on the side wall surface of the curb 30 and vertically penetrate through the curb 30 in the thickness direction of the curb 30, and the arrangement of the drainage through holes 301 is simple in operation and easy to implement in terms of process when the drainage through holes 301 are arranged on the curb 30. Or drainage through holes 301 are arranged on the side wall surface of curb 30, and downward incline runs through curb 30 from the water inlet side to the water outlet side of curb 30, and this arrangement of drainage through holes 301 is favorable to accelerating rainwater to be drained into percolation layer 50 from road surface 401, increases the permeability and the penetration rate of rainwater, and then improves the utilization ratio of rainwater, and effectively prevents rainwater from silting up on the road surface.
Alternatively, the sectional shape of the drain through hole 301 is a circle (as shown in fig. 3 and 4), a rectangle (as shown in fig. 5 and 6), or a regular polygon. The cross-sectional area of the drainage through hole 301 is gradually reduced from the water inlet end to the water outlet end, and the arrangement mode of the drainage through hole 301 can accelerate the rainwater to discharge the drainage through hole 301, increase the permeability and the permeation rate of the rainwater, further improve the utilization rate of the rainwater, and effectively prevent the rainwater from silting up on the road surface.
Alternatively, as shown in fig. 3 to 6, the diameter of the drain through hole 301 is 60mm to 80 mm. The lowest point of the water inlet end of the drainage through hole 301 is 0-20 mm away from the road surface 401, so that rainwater on the road surface is completely drained into the drainage through hole 301.
Optionally, a plurality of drainage through holes 301 are uniformly arranged at intervals in the length direction of the curb 30, and the distance between two adjacent drainage through holes 301 is 300 mm-500 mm, and this arrangement of the drainage through holes 301 can make the rainwater on the road surface disperse and uniformly enter each drainage through hole 301, so as to prevent the single drainage through hole 301 from leaking too much, and further affecting the side flow of the rainwater.
Alternatively, in the first embodiment of the present invention, not shown, the percolation layer 50 comprises a crushed stone layer 51 and a backfill layer 52. The rubble layer 51 is filled in the position from the bottom of the infiltration trench 10 to 50 mm-100 mm above the drain through hole 301. The backfill layer 52 is laid on the gravel layer 51, and the upper surface of the backfill layer 52 is flush with the top surface of the curb 30, or the upper surface of the backfill layer 52 is 50-100 mm away from the top surface of the curb 30. In this embodiment, the backfill layer 52 is located above the drainage through holes 301, so as to prevent the backfill layer 52 from affecting the seepage of rainwater.
Optionally, the utility model discloses a second embodiment, as shown in fig. 1 and fig. 2, the infiltration layer 50 in infiltration ditch 10 is inserted to the drainage end of first infiltration pipe 60 that infiltration layer 60 is arranged to road surface rainwater side, and the first infiltration pipe 60 that is used for permeating the rainwater is still arranged to the road surface rainwater side, and the end of intaking of first infiltration pipe 60 communicates with the drainage through-hole 301 that corresponds the setting. The percolated layer 50 comprises a layer of crushed stone 51 and a layer of backfill 52. The crushed stone layer 51 is filled in the infiltration trench 10. The backfill layer 52 is laid on the gravel layer 51, and the upper surface of the backfill layer 52 is flush with the top surface of the curb 30, or the upper surface of the backfill layer 52 is 50-100 mm away from the top surface of the curb 30. In this embodiment, since the first penetration pipe 60 is additionally provided, the first penetration pipe 60 can rapidly guide the rainwater discharged from the drainage through hole 301 into the infiltration layer 50 in the infiltration trench 10, and thus the infiltration trench 10 is only required to be filled with the gravel layer 51, and the drainage through hole 301 can be filled with the backfill soil layer 52. The first penetration pipe 60 is additionally provided, so that rainwater can be rapidly guided into the penetration layer 50 on the one hand, and the water storage space is enlarged due to the first penetration pipe 60 compared with the penetration layer 50 alone, so that rainwater permeability and rainwater permeability can be enhanced.
Further, as shown in fig. 1 and 2, the road surface rainwater side drainage penetration structure further includes a second penetration pipe 70 for penetrating rainwater, and the second penetration pipe 70 is disposed in the infiltration layer 50 in the infiltration trench 10 and extends along the length direction of the infiltration trench 10. The water discharge end of the first penetration pipe 60 communicates with the sidewall of the second penetration pipe 70. Similarly, the addition of the second permeate tube 70 increases the storage volume compared to the separate permeate layer 50, thereby enhancing rain water permeability and rain water permeability.
Optionally, not shown, the road surface rainwater side drainage and permeation structure further includes a geotextile for preventing soil of the roadbed 20 from reversely permeating into the gravel layer 51, and the geotextile is wrapped outside the gravel layer 51. Through at the outer geotechnological cloth that covers of metalling 51, can prevent effectively that the rivers in the road bed soil body or the greenbelt soil body from driving the soil body and reverse ooze to metalling 51 to reduce the permeability of metalling 51, and make everywhere permeability inhomogeneous in the metalling 51, the rainwater erodees the road bed soil body or the greenbelt soil body probably appears in the big infiltration department in metalling 51.
Optionally, as shown in fig. 1 and fig. 2, the road surface rainwater side drainage and infiltration structure further includes a curb 80 laid on the subgrade base surface, the curb 80 is laid between the road layer 40 and the curb 30 on the corresponding side, two sides of the curb 80 respectively abut against the side edge of the road layer 40 and the side wall surface of the curb 30, and the curb 80 extends along the length direction of the subgrade 20. The upper surface of the curb stone 80 is flush with the road surface 401 of the road layer 40. Further, as shown in fig. 1 and 2, a cement stabilization layer having high water permeability is laid on the roadbed base surface, and the road layer 40, the curb stone 80, and the curb stone 30 are all disposed on the cement stabilization layer.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a road surface rainwater side row infiltration structure which characterized in that includes:
the infiltration ditch is characterized by comprising an infiltration ditch (10) which is concavely arranged on a roadbed base surface, wherein the infiltration ditch (10) extends along the length direction of a roadbed (20), curb stones (30) are vertically erected on the roadbed base surfaces on two sides of the infiltration ditch (10), or curb stones (30) are vertically erected on the roadbed base surface on one side of the infiltration ditch (10), the curb stones (30) extend along the length direction of the roadbed (20), and a space formed by the infiltration ditch (10) and the curb stones (30) is filled with an infiltration layer (50) for infiltrating rainwater;
the kerbstone is characterized in that a plurality of drainage through holes (301) are formed in the kerbstone (30), the drainage through holes (301) are sequentially distributed in the length direction of the kerbstone (30) at intervals, the water inlet ends of the drainage through holes (301) are communicated with a road surface (401) of a road layer (40) laid on the roadbed base surface, and the drainage ends of the drainage through holes (301) are communicated with the percolation layer (50) so that rainwater on the road surface (401) can seep into the percolation layer (50).
2. The road surface rainwater side drainage penetration structure according to claim 1,
the drainage through holes (301) are arranged on the side wall surface of the kerb curbstone (30) and vertically penetrate through the kerb curbstone (30) along the thickness direction of the kerb curbstone (30); or
The drainage through holes (301) are arranged on the side wall surface of the kerb curbstone (30) and downwards penetrate through the kerb curbstone (30) along the direction from the water inlet side to the water outlet side of the kerb curbstone (30).
3. The road surface rainwater side drainage penetration structure according to claim 2,
the cross section of the drainage through hole (301) is circular, rectangular or regular polygonal;
the cross-sectional area of the drainage through hole (301) is gradually reduced from the water inlet end to the water outlet end.
4. The road surface rainwater side drainage penetration structure according to claim 3,
the diameter of the drainage through hole (301) is 60-80 mm;
the lowest point of the water inlet end of the drainage through hole (301) is 0-20 mm away from the road surface (401).
5. The road surface rainwater side drainage penetration structure according to claim 1,
the plurality of the drainage through holes (301) are uniformly arranged at intervals in the length direction of the kerb (30), and the distance between every two adjacent drainage through holes (301) is 300-500 mm.
6. The road surface rainwater side drainage penetration structure according to claim 1,
the infiltration layer (50) comprises a gravel layer (51) and a backfill layer (52);
the crushed stone layer (51) is filled at the position 50-100 mm above the drainage through hole (301) from the groove bottom of the percolation groove (10);
the backfill soil layer (52) is laid on the gravel layer (51), the upper surface of the backfill soil layer (52) is flush with the top surface of the curb stone (30), or the upper surface of the backfill soil layer (52) is 50-100 mm away from the top surface of the curb stone (30).
7. The road surface rainwater side drainage penetration structure according to claim 1,
the road surface rainwater side drainage and permeation structure further comprises a first permeation pipe (60) for permeating rainwater, the water inlet end of the first permeation pipe (60) is communicated with the drainage through hole (301) which is correspondingly arranged, and the water drainage end of the first permeation pipe (60) is inserted into the infiltration layer (50) in the infiltration ditch (10);
the infiltration layer (50) comprises a gravel layer (51) and a backfill layer (52);
the gravel layer (51) is filled in the percolation channel (10);
the backfill soil layer (52) is laid on the gravel layer (51), the upper surface of the backfill soil layer (52) is flush with the top surface of the curb stone (30), or the upper surface of the backfill soil layer (52) is 50-100 mm away from the top surface of the curb stone (30).
8. The road surface rainwater side drainage penetration structure according to claim 7,
the road surface rainwater side drainage and permeation structure further comprises a second permeation pipe (70) for permeating rainwater, wherein the second permeation pipe (70) is arranged in the percolation layer (50) in the percolation trench (10) and extends along the length direction of the percolation trench (10);
the water discharge end of the first penetration pipe (60) communicates with the side wall of the second penetration pipe (70).
9. The road surface rainwater side drainage penetration structure according to any one of claims 6 or 7,
the road surface rainwater side drainage permeation structure further comprises geotextile used for preventing soil bodies of the roadbed (20) from reversely infiltrating into the gravel layer (51), and the geotextile is wrapped outside the gravel layer (51).
10. The road surface rainwater side drainage penetration structure according to claim 1,
the road surface rainwater side drainage and permeation structure further comprises curb flat stones (80) laid on the roadbed base surface, the curb flat stones (80) are arranged between the road layer (40) and the curb side stones (30) on the corresponding side, two sides of the curb flat stones (80) respectively abut against the side edges of the road layer (40) and the side wall surfaces of the curb side stones (30), and the curb flat stones (80) extend along the length direction of the roadbed (20);
the upper surface of the curb flat stone (80) is flush with the road surface (401) of the road layer (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784317.XU CN212505697U (en) | 2020-05-13 | 2020-05-13 | Road surface rainwater side drainage permeation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020784317.XU CN212505697U (en) | 2020-05-13 | 2020-05-13 | Road surface rainwater side drainage permeation structure |
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| Publication Number | Publication Date |
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| CN212505697U true CN212505697U (en) | 2021-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020784317.XU Active CN212505697U (en) | 2020-05-13 | 2020-05-13 | Road surface rainwater side drainage permeation structure |
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| CN (1) | CN212505697U (en) |
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2020
- 2020-05-13 CN CN202020784317.XU patent/CN212505697U/en active Active
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