CN219174918U - Surface layer permeable pavement and pavement structure of high-storage-seepage grass planting ditch - Google Patents
Surface layer permeable pavement and pavement structure of high-storage-seepage grass planting ditch Download PDFInfo
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- CN219174918U CN219174918U CN202320236371.4U CN202320236371U CN219174918U CN 219174918 U CN219174918 U CN 219174918U CN 202320236371 U CN202320236371 U CN 202320236371U CN 219174918 U CN219174918 U CN 219174918U
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- pavement
- grass planting
- planting ditch
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- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 38
- 239000002344 surface layer Substances 0.000 title claims abstract description 19
- 239000010410 layer Substances 0.000 claims abstract description 128
- 239000010426 asphalt Substances 0.000 claims abstract description 47
- 239000000945 filler Substances 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 14
- 239000004575 stone Substances 0.000 claims abstract description 14
- 239000011159 matrix material Substances 0.000 claims abstract description 11
- 239000012790 adhesive layer Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 239000004744 fabric Substances 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 239000004746 geotextile Substances 0.000 claims description 4
- 239000011083 cement mortar Substances 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims description 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 4
- 230000008595 infiltration Effects 0.000 description 3
- 238000001764 infiltration Methods 0.000 description 3
- 239000012466 permeate Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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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
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- Road Paving Structures (AREA)
Abstract
A surface layer permeable pavement and a pavement structure of a high-storage-seepage grass planting ditch belong to the technical field of permeable pavement. The structure comprises a permeable pavement structure and a grass planting ditch structure, the grass planting ditch structure is arranged on two sides of the permeable pavement structure, and a waterproof layer is paved between the grass planting ditch structure and the permeable pavement. The permeable pavement structure is characterized in that a roadbed, a graded gravel layer, a cement stabilized gravel layer, an emulsified asphalt permeable layer, a waterproof sealing layer, a permeable asphalt lower layer, an emulsified asphalt adhesive layer and a permeable asphalt upper layer are sequentially paved from bottom to top; the grass planting ditch structure consists of a transverse PVC drain pipe, a longitudinal drain pipe with holes, a broken stone permeable filler layer, permeable geotechnical cloth, a graded broken stone layer, a thick matrix layer and turf. The structure fully utilizes the advantages of no ponding on the road surface, dry roadbed, good road durability and high-accumulation seepage grass planting ditch rainwater regulation and purification of rainwater of the surface layer permeable asphalt pavement surface layer permeable function, and provides an efficient, environment-friendly, attractive and economic sponge urban pavement structure combination.
Description
Technical Field
The utility model belongs to the technical field of permeable pavement, and particularly relates to a pavement structure combination of a surface permeable pavement and a high-storage-seepage grass planting ditch.
Background
The surface layer permeable pavement structure only permeates water through the pavement surface, and pavement rainwater flows to drainage side ditches on two sides of a road through communication holes in the pavement structure, so that the pavement rainwater is collected into a municipal rainwater pipe network, if the rainfall is increased rapidly, the drainage pressure of the rainwater pipe network can be increased remarkably, and finally urban waterlogging is caused. In addition, if ecological grass planting grooves are adopted on two sides of the surface layer permeable asphalt pavement, the collection and infiltration of the road surface rainwater can be realized, and the defect that the surface layer permeable asphalt pavement cannot infiltrate into soil is overcome; although grass planting ditches have been widely used, there are few combinations of grass planting ditches that are optimized to enhance the penetration and storage capacity of the grass planting ditches.
Disclosure of Invention
In order to optimize the structural combination of the grass planting ditch and improve the storage and infiltration capacity of each structural layer, the utility model provides a surface layer water-permeable pavement and a pavement structure of the high-storage and infiltration grass planting ditch.
The surface layer permeable pavement and the pavement structure of the high-storage-seepage grass planting ditch are characterized in that the structure is composed of a permeable pavement structure and grass planting ditch structures, the grass planting ditch structures are arranged on two sides of the permeable pavement structure, and a waterproof layer is paved between the grass planting ditch structures and the permeable pavement;
the permeable pavement structure is characterized in that a roadbed, a graded gravel layer, a cement stable gravel layer, an emulsified asphalt permeable layer, a waterproof sealing layer, a permeable asphalt lower layer, an emulsified asphalt adhesive layer and a permeable asphalt upper layer are paved in sequence from bottom to top; the porous asphalt cement mortar is characterized in that porous permeable steel plates are arranged on two sides of a permeable asphalt lower layer and a permeable asphalt upper layer, porous L-shaped steel plates are welded on the outer sides of the porous steel plates, and the porous L-shaped steel plates are fixed on the top surface of a cement stable gravel layer by using expansion screws;
the grass planting ditch structure consists of a transverse PVC water drain pipe, a perforated longitudinal water drain pipe, a gravel water permeable filler layer, water permeable geotechnical cloth, a graded gravel layer, a thick matrix layer and turf, wherein the gravel water permeable filler layer is buried at two sides of the roadbed, the perforated longitudinal water drain pipe is buried in the gravel water permeable filler layer, and the transverse PVC pipe is buried in the roadbed and penetrates through the roadbed to be communicated with the perforated longitudinal water drain pipes at two sides; the graded gravel layer, the matrix layer and the turf are sequentially paved on the gravel permeable filler layer from bottom to top, and permeable geotextiles are respectively paved among the graded gravel layer, the gravel permeable filler layer and the matrix layer.
And a cobble layer is paved above the waterproof sealing layer and outside the permeable perforated steel plate, and the height of the cobble layer is flush with the upper layer of permeable asphalt.
The spreading width of the two sides of the permeable asphalt lower layer is smaller than the width of the top surface of the cement stabilized gravel layer by 10cm.
The thickness of the graded broken stone layer is 30cm.
The thickness of the substrate layer was 30cm.
The utility model has the beneficial effects that: firstly, the storage and seepage capability of the grass planting ditch structure is improved; secondly, make full use of top layer permeable asphalt pavement top layer permeable function ensures that the road surface does not have ponding, road bed is dry, road durability is good, high storage oozes grass planting ditch rainwater regulation, purifies the advantage of rainwater, provides a high-efficient, environmental protection, pleasing to the eye economical sponge city pavement road surface structure combination.
Drawings
FIG. 1 is a diagram showing the overall construction of a pavement structure of a surface layer permeable pavement and a high-accumulation-seepage grass planting ditch.
Fig. 2 is a schematic view of a permeable pavement structure.
FIG. 3 is a schematic view of a grass planting groove.
Fig. 4 is a schematic diagram of a region a structure.
Wherein: the road bed comprises a 1-roadbed, a 2-graded broken stone layer, a 3-cement stable broken stone layer, a 4-emulsified asphalt permeable layer, a 5-waterproof sealing layer, a 6-permeable asphalt lower layer, a 7-emulsified asphalt adhesive layer, an 8-permeable asphalt upper layer, a 9-waterproof layer, a 10-cobble stone layer, a 11-perforated permeable steel plate, a 12-perforated L-shaped steel sheet, 13-expansion screws, 14-turf, a 15-transverse PVC drain pipe, a 16-perforated longitudinal drain pipe, a 17-crushed stone permeable filler layer, 18-permeable geotechnical cloth, a 19-graded broken stone layer and a 20-matrix layer.
Detailed Description
Example 1: the utility model provides a road surface structure of surface layer permeable pavement and high grass planting ditch that oozes, includes permeable pavement structure and grass planting ditch structure, grass planting ditch structure sets up in permeable pavement structure both sides.
The graded broken stone layer 2 is paved on the roadbed 1 which is qualified in test, the cement stabilized broken stone layer 3 is paved on the graded broken stone layer 2, the emulsified asphalt penetrating layer 4 is sprayed on the top surface of the cement stabilized broken stone layer 3, and the waterproof sealing layer 5 is paved on the emulsified asphalt penetrating layer 4. The perforated L-shaped steel sheet 12 is fixed on the top surface of the cement stabilized gravel layer 3 by using expansion screws 13, and a water permeable perforated steel plate 11 is welded on the inner side of the perforated L-shaped steel sheet 12. A water permeable asphalt lower layer 6 and a water permeable asphalt upper layer 8 are paved between the two water permeable perforated steel plates 11, the water permeable asphalt lower layer 6 is paved on the water-proof seal layer 5, the paving width of two sides of the water permeable asphalt lower layer 6 is smaller than the width of the top surface of the cement stabilized gravel layer 3 by 10cm, the emulsified asphalt adhesive layer 7 is sprayed on the water permeable asphalt lower layer 6, and the water permeable asphalt upper layer 8 is paved on the emulsified asphalt adhesive layer 7.
The grass planting ditch structure comprises gravel permeable filler layers 17 which are buried at two sides of the roadbed, the perforated longitudinal drain pipes 16 are buried in the gravel permeable filler layers 17, and the transverse PVC pipes 15 are buried in the roadbed 1 and are communicated with the perforated longitudinal drain pipes 16 at two sides by penetrating through the roadbed 1. The graded gravel layer 19 with the thickness of 30cm is paved on the gravel permeable filler layer 17, the permeable geotechnical cloth 18 is paved at the contact position of the graded gravel layer 19 and the soil and gravel permeable filler layer 17, and the waterproof layer 9 is paved at the contact position of the graded gravel layer 19 and the roadbed 1, the graded gravel layer 2 and the cement stabilized gravel layer 3. A water permeable geotextile 18 is laid between the graded crushed stone layer 19 and the matrix layer 20 with the thickness of 30cm, and the turf 14 is directly laid on the matrix layer 20.
When the rainfall is smaller, rainwater in the pavement range sequentially permeates into the waterproof seal layer 5 through the communication gaps of the permeable asphalt upper surface layer 8, the emulsified asphalt adhesive layer 7 and the permeable asphalt lower surface layer 6, and is discharged to two sides of the pavement through transverse slopes, passes through the porous permeable steel plates 11 at two sides and flows to the cobble layer 10; sequentially passing through gaps in the pebble layer 10 and the graded gravel layer 19, and sequentially flowing along waterproof layers 9 arranged on two sides of the cement stabilized gravel layer 3, the graded gravel layer 2 and the roadbed 1 to the gravel permeable filler layer 17; the rainwater in the gravel permeable filler layer 17 partially permeates into the soil through the permeable geotechnical cloth 18, and after the rest rainwater is collected through the upper surface gap of the perforated longitudinal drain pipe 16 buried in the gravel permeable filler layer 17, the rainwater flows along the perforated longitudinal drain pipe 16 and is discharged into a rainwater collecting pipe network or a water collecting pool at a proper road section, or is introduced into the other side of the road through the transverse PVC pipe 16 arranged in the roadbed 1, and is discharged into the rainwater collecting pipe network or the water collecting pool through the perforated longitudinal drain pipe 16 at the other side.
When the rainfall is large, rainwater penetrating into the communicating gaps of the permeable asphalt upper layer 8, the emulsified asphalt adhesive layer 7 and the permeable asphalt lower layer 6 is discharged into a rainwater collecting pipe network or a water collecting pool through the channels, and excessive rainwater flows to the cobble layers 10 arranged on two sides of the road along the transverse slope of the permeable asphalt upper layer 8, passes through the gaps in the cobble layers 10 and flows to the turf 14; part of the rainwater retained in the turf 14 sequentially passes through the matrix layer 20, the permeable geotextile 18 and the graded gravel layer 19 and then is gathered into the gravel permeable filler 17 and passes through the gap on the upper surface of the longitudinal drainage pipe 16 with holes, the rainwater longitudinally flows along the road in the longitudinal drainage pipe 16 with holes and is discharged into a rainwater collecting pipe network or a water collecting pool at a proper road section, or is introduced into the other side of the road through the transverse PVC pipe 16 in the roadbed 1 and is discharged into the rainwater collecting pipe network or the water collecting pool through the longitudinal drainage pipe 16 with holes on the other side; the rest of the rainwater flows longitudinally along the grass planting furrows on the turf 14 and is discharged into a rainwater collection pipe network or a water collection pool at a proper road section, so that the rainwater runoff, the rainwater peak flow and the non-point source pollution are reduced.
Claims (5)
1. The surface layer permeable pavement and the pavement structure of the high-storage-seepage grass planting ditch are characterized in that the structure is composed of a permeable pavement structure and grass planting ditch structures, the grass planting ditch structures are arranged on two sides of the permeable pavement structure, and a waterproof layer is paved between the grass planting ditch structures and the permeable pavement;
the permeable pavement structure is characterized in that a roadbed, a graded gravel layer, a cement stable gravel layer, an emulsified asphalt permeable layer, a waterproof sealing layer, a permeable asphalt lower layer, an emulsified asphalt adhesive layer and a permeable asphalt upper layer are paved in sequence from bottom to top; the porous asphalt cement mortar is characterized in that porous permeable steel plates are arranged on two sides of a permeable asphalt lower layer and a permeable asphalt upper layer, porous L-shaped steel plates are welded on the outer sides of the porous steel plates, and the porous L-shaped steel plates are fixed on the top surface of a cement stable gravel layer by using expansion screws;
the grass planting ditch structure consists of a transverse PVC water drain pipe, a perforated longitudinal water drain pipe, a gravel water permeable filler layer, water permeable geotechnical cloth, a graded gravel layer, a thick matrix layer and turf, wherein the gravel water permeable filler layer is buried at two sides of the roadbed, the perforated longitudinal water drain pipe is buried in the gravel water permeable filler layer, and the transverse PVC pipe is buried in the roadbed and penetrates through the roadbed to be communicated with the perforated longitudinal water drain pipes at two sides; the graded gravel layer, the matrix layer and the turf are sequentially paved on the gravel permeable filler layer from bottom to top, and permeable geotextiles are respectively paved among the graded gravel layer, the gravel permeable filler layer and the matrix layer.
2. The surface layer permeable pavement and pavement structure of high-accumulation-seepage grass planting ditch as set forth in claim 1, wherein a cobble layer is laid above the waterproof sealing layer and outside the permeable perforated steel plate, and the cobble layer is level with the permeable asphalt upper layer.
3. The surface layer permeable pavement and pavement structure of high-storage-seepage grass planting ditch as set forth in claim 1, wherein the paving width of two sides of the permeable asphalt lower layer is smaller than the width of 10cm of the top surface of the cement stabilized gravel layer.
4. The surface layer permeable pavement and pavement structure of high-accumulation-seepage grass planting ditch as set forth in claim 1, wherein the graded crushed stone layer is 30cm thick.
5. The surface layer permeable pavement and pavement structure of high-accumulation-seepage grass planting ditch as set forth in claim 1, wherein the thickness of the substrate layer is 30cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236371.4U CN219174918U (en) | 2023-02-16 | 2023-02-16 | Surface layer permeable pavement and pavement structure of high-storage-seepage grass planting ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320236371.4U CN219174918U (en) | 2023-02-16 | 2023-02-16 | Surface layer permeable pavement and pavement structure of high-storage-seepage grass planting ditch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219174918U true CN219174918U (en) | 2023-06-13 |
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ID=86664246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320236371.4U Active CN219174918U (en) | 2023-02-16 | 2023-02-16 | Surface layer permeable pavement and pavement structure of high-storage-seepage grass planting ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219174918U (en) |
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2023
- 2023-02-16 CN CN202320236371.4U patent/CN219174918U/en active Active
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