CN216378982U - Full-section closed type sponge road structure - Google Patents
Full-section closed type sponge road structure Download PDFInfo
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- CN216378982U CN216378982U CN202121777356.8U CN202121777356U CN216378982U CN 216378982 U CN216378982 U CN 216378982U CN 202121777356 U CN202121777356 U CN 202121777356U CN 216378982 U CN216378982 U CN 216378982U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 239000011380 pervious concrete Substances 0.000 claims abstract description 46
- 239000004567 concrete Substances 0.000 claims abstract description 28
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 239000010410 layer Substances 0.000 claims description 151
- 239000004575 stone Substances 0.000 claims description 22
- 239000002344 surface layer Substances 0.000 claims description 11
- 239000004746 geotextile Substances 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 239000012466 permeate Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Abstract
The utility model discloses a full-section closed sponge road structure; the road structure comprises a roadbed, a waterproof layer laid on the upper side of the roadbed, a water absorption pavement layer laid on the upper side of the waterproof layer, and a lateral water storage and drainage structure arranged on the waterproof layer and matched with the two sides of the water absorption pavement layer. The water absorption pavement layer comprises a gravel drainage layer, a first water permeable concrete layer and a second water permeable concrete layer which are sequentially paved from bottom to top; the second pervious concrete layer is wider than the first pervious concrete layer in section width, extending wings are formed on two sides of the first pervious concrete layer, and the second pervious concrete layer is higher than the first pervious concrete layer in porosity. The pavement structure has better drainage performance, better structural strength, durability and stability, and can be applied to village roads.
Description
Technical Field
The utility model belongs to the technical field of road engineering, and particularly relates to a full-section closed type sponge road structure.
Background
The existing natural village group roads mostly adopt cement concrete pavements, concrete is directly cast to form the pavements after foundations are tamped, the pavements sink in water after being heavily pressed and cracked or being expanded with heat and contracted with cold, damage of the pavements can be aggravated, and although the village roads are simple and convenient to construct in the early stage, the maintenance cost in the later stage is higher;
the existing permeable concrete pavement has better drainage performance, but structurally permeated water is mainly discharged into a roadbed, the pavement is easy to collapse after long-time use, and the permeable concrete pavement is mainly used for urban squares or pedestrian roads and is not suitable for being applied to villages where agricultural machines often pass.
The prior art lacks a road surface structure which is convenient for drainage and application on the roads of villages.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a full-section closed sponge road structure which is good in drainage performance and beneficial to village group roads, aiming at the defects in the prior art.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a full-section closed sponge road structure comprises a roadbed, a waterproof layer laid on the upper side of the roadbed, a water absorption pavement layer laid on the upper side of the waterproof layer, and a lateral water storage and drainage structure arranged on the waterproof layer and matched with the two sides of the water absorption pavement layer.
Further, the water absorption pavement layer comprises a gravel drainage layer, a first water permeable concrete layer and a second water permeable concrete layer which are sequentially paved from bottom to top; the second pervious concrete layer is wider than the first pervious concrete layer in section width, extending wings are formed on two sides of the first pervious concrete layer, and the second pervious concrete layer is higher than the first pervious concrete layer in porosity.
Further, the lateral water storage and drainage structure comprises a hardened road shoulder and a first crushed stone water storage layer which are arranged on one side of the water absorption road surface layer, and a side ditch and a second crushed stone water storage layer which are arranged on the other side of the water absorption road surface layer, or the lateral water storage and drainage structure comprises a hardened road shoulder and a first crushed stone water storage layer which are arranged on two sides of the water absorption road surface layer; the section of the hardened road shoulder is bent, one side edge of the hardened road shoulder is butted with the edge of the second pervious concrete layer, the other side edge of the hardened road shoulder is pressed with the waterproof layer, a filling space is formed among the hardened road shoulder, the second pervious concrete layer, the first pervious concrete layer, the gravel drainage layer and the waterproof layer, and a first gravel water storage layer is laid in the filling space; the edge of the side ditch is butted with the edge of the second permeable concrete layer, another filling space is formed among the side ditch, the second permeable concrete layer, the first permeable concrete layer, the broken stone drainage layer and the waterproof layer, and a second broken stone water storage layer is laid in the other filling space; and variable-diameter drain pipes which enable the first gravel water storage layer and the second gravel water storage layer to be communicated with the outside are arranged between the hardened road shoulder and the waterproof layer and on the side ditches.
Furthermore, the reducing drain pipes are arranged at equal intervals along the pavement laying length direction.
Furthermore, the reducing drain pipe adopts the hard formula HDPE reducing of curved line pipe of permeating water, and the geotechnological cloth that permeates water is wrapped to the reducing drain pipe outside.
Further, the first pervious concrete layer and the second pervious concrete layer are prefabricated pervious concrete plates.
Further, the waterproof layer adopts waterproof geotextile.
The utility model has the beneficial effects that:
the road surface structure isolates the roadbed by using a waterproof layer, thereby being beneficial to protecting the roadbed and promoting the lateral discharge of the water-absorbing road surface layer after absorbing water; the water absorption pavement layer adopts a double-layer permeable concrete layer and is paved in a prefabricated permeable concrete plate mode, so that the construction can be simplified, and the maintenance is convenient; the double-layer pervious concrete layers have different porosities and different water permeability, so that the lateral drainage can be promoted, and the structural strength of the pavement can be ensured; the lateral water storage and drainage structure strengthens the functions of water storage and drainage, so that the service life of the pavement is longer; the pavement structure has better drainage performance, better structural strength, durability and stability, and can be applied to village roads.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the variable-diameter drain pipe of the present invention.
Wherein, 1-roadbed; 2-waterproof layer; 3-water absorption pavement layer; 4-a gravel drainage layer; 5-a first pervious concrete layer; 6-a second pervious concrete layer; 7-extending wings; 8-hardening the road shoulder; 9-a first gravel aquifer; 10-side ditch; 11-a second crushed stone aquifer; 12-reducing drain pipe.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a full-section closed type sponge road structure comprises a roadbed 1, a waterproof layer 2 laid on the upper side of the roadbed 1, a water-absorbing pavement layer 3 laid on the upper side of the waterproof layer 2, and a lateral water storage and drainage structure arranged on the waterproof layer 2 and matched with two sides of the water-absorbing pavement layer 3.
The waterproof layer 2 is used for protecting the roadbed 1, isolating rainwater and facilitating the lateral flow discharge of the water absorbed by the water absorption pavement layer 3; the waterproof layer 2 can adopt waterproof geotextile.
The water absorption pavement layer 3 comprises a gravel water drainage layer 4, a first permeable concrete layer 5 and a second permeable concrete layer 6 which are sequentially paved from bottom to top; the first pervious concrete layer 5 and the second pervious concrete layer 6 are formed by laying prefabricated pervious concrete plates; the width of the section of the second permeable concrete layer 6 is larger than that of the section of the first permeable concrete layer 5, extension wings 7 are formed on two sides of the first permeable concrete layer 5, and the extension wings 7 can also be formed by splicing the cut second permeable concrete layer 6; the porosity of the second pervious concrete layer 6 is greater than that of the first pervious concrete layer, so that the water permeability of the second pervious concrete layer 6 is stronger than that of the first pervious concrete layer 5, and the lateral drainage of the second pervious concrete layer 6 can be promoted by combining the structural design of the extension wings 7; the first pervious concrete layer 5 is also used for water absorption and drainage and is mainly used for enhancing the structural strength; the first pervious concrete layer 5 and the second pervious concrete layer 6 form a double-layer pervious concrete layer, so that the structural strength can be enhanced, and the bearing is facilitated.
The lateral water storage and drainage structure comprises a hardened road shoulder 8 and a first crushed stone water storage layer 9 which are arranged on one side of the water absorption road surface layer 3, and a side ditch 10 and a second crushed stone water storage layer 11 which are arranged on the other side of the water absorption road surface layer 3. The cross section of the hardened road shoulder 8 is bent, and the hardened road shoulder is matched with the water absorption road surface layer 3 to coat the first crushed stone water storage layer 9 and/or the second crushed stone water storage layer 11; one side edge of the hardened road shoulder 8 is butted with the edge of the second pervious concrete layer 6, and the other side edge is pressed with the waterproof layer 2; a filling space is formed among the hardened road shoulder 8, the second pervious concrete layer 6, the first pervious concrete layer 5, the broken stone drainage layer 4 and the waterproof layer 2, and a first broken stone water storage layer 9 is laid in the filling space; the side ditch 10 is butted with the edge of the second permeable concrete layer 6; another filling space is formed among the side ditch 10, the second pervious concrete layer 6, the first pervious concrete layer 5, the broken stone drainage layer 4 and the waterproof layer 2, and a second broken stone water storage layer 11 is laid in the other filling space; variable-diameter drain pipes 12 which enable the first gravel water storage layer 9 and the second gravel water storage layer 11 to be communicated with the outside are arranged between the hardened road shoulder 8 and the waterproof layer 2 and on the side ditches 10, and rainwater accumulated in the first gravel water storage layer 9 and/or the second gravel water storage layer 11 is discharged to the outer side of the roadbed 1 through the variable-diameter drain pipes 12 and can also flow into the side ditches 10 for diversion and collection; the length direction is laid along the road surface to the reducing drain pipe 12 equidistant setting is a plurality ofly, and the reducing drain pipe 12 adopts the hard formula HDPE reducing of curved line pipe of permeating water, and the geotechnological cloth 13 that permeates water of reducing drain pipe 12 outside cladding, and such structural design can avoid first rubble water-retaining layer and/or second rubble water-retaining layer to get into debris, is convenient for the drainage again simultaneously, and the reducing drain pipe 12 is greater than another side port at the port of first rubble water-retaining layer 9 and second rubble water-retaining layer 11.
In the actual construction process, the lateral water storage and drainage structure can be modified according to the actual conditions, for example, the lateral water storage and drainage structure can comprise a hardened road shoulder 8 and a first gravel water storage layer 9 which are arranged at two sides of the water absorption road surface layer 3; or the lateral water storage and drainage structure can comprise a side ditch 10 and a second macadam aquifer 11 which are arranged at the two sides of the water absorption pavement layer 3.
This road surface structure is when the rainwater absorbs outer row: after being absorbed by the second permeable concrete layer 6, one part of the rainwater enters the first gravel water storage layer 9 and/or the second gravel water storage layer 11 through the extension wings 7, and the other part of the rainwater permeates the first permeable concrete layer 5; after the first permeable concrete layer 5 absorbs water, part of water permeates into the gravel drainage layer 4, and the other part of water permeates into the first gravel water storage layer 9 and/or the second gravel water storage layer 11; the crushed stone water draining layer 4 flows into the first crushed stone water storage layer 9 and/or the second crushed stone water storage layer 11 after absorbing water; the first gravel water storage layer 9 and/or the second gravel water storage layer 11 can store a large amount of rainwater, and the accumulated rainwater is discharged through the reducing drain pipe 12.
Claims (6)
1. A full-section closed sponge road structure is characterized by comprising a roadbed, a waterproof layer laid on the upper side of the roadbed, a water absorption pavement layer laid on the upper side of the waterproof layer, and a lateral water storage and drainage structure arranged on the waterproof layer and matched with two sides of the water absorption pavement layer; the water absorption pavement layer comprises a gravel drainage layer, a first water permeable concrete layer and a second water permeable concrete layer which are sequentially paved from bottom to top; the second pervious concrete layer is wider than the first pervious concrete layer in section width, extending wings are formed on two sides of the first pervious concrete layer, and the second pervious concrete layer is higher than the first pervious concrete layer in porosity.
2. The full-face closed type sponge road structure as claimed in claim 1, wherein the lateral water storage and drainage structure comprises a hardened road shoulder and a first crushed stone water reservoir layer arranged on one side of the water absorption road surface layer and a side ditch and a second crushed stone water reservoir layer arranged on the other side of the water absorption road surface layer, or comprises a hardened road shoulder and a first crushed stone water reservoir layer arranged on both sides of the water absorption road surface layer; the section of the hardened road shoulder is bent, one side edge of the hardened road shoulder is butted with the edge of the second pervious concrete layer, the other side edge of the hardened road shoulder is pressed with the waterproof layer, a filling space is formed among the hardened road shoulder, the second pervious concrete layer, the first pervious concrete layer, the gravel drainage layer and the waterproof layer, and a first gravel water storage layer is laid in the filling space; the edge of the side ditch is butted with the edge of the second permeable concrete layer, another filling space is formed among the side ditch, the second permeable concrete layer, the first permeable concrete layer, the broken stone drainage layer and the waterproof layer, and a second broken stone water storage layer is laid in the other filling space; and variable-diameter drain pipes which enable the first gravel water storage layer and the second gravel water storage layer to be communicated with the outside are arranged between the hardened road shoulder and the waterproof layer and on the side ditches.
3. The full-face closed type sponge road structure as claimed in claim 2, wherein the reducing drain pipes are arranged in plurality at equal intervals along the pavement laying length direction.
4. The full-face closed type sponge road structure as claimed in claim 2, wherein the variable diameter drain pipe is a curved hard HDPE variable diameter permeable pipe, and the outside of the variable diameter drain pipe is covered with a permeable geotextile.
5. The full face closed type sponge road structure as claimed in claim 2, wherein the first and second pervious concrete layers are prefabricated pervious concrete plates.
6. The full face closed sponge road structure as claimed in claim 1, wherein the waterproof layer is waterproof geotextile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121777356.8U CN216378982U (en) | 2021-08-02 | 2021-08-02 | Full-section closed type sponge road structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121777356.8U CN216378982U (en) | 2021-08-02 | 2021-08-02 | Full-section closed type sponge road structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216378982U true CN216378982U (en) | 2022-04-26 |
Family
ID=81239807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121777356.8U Active CN216378982U (en) | 2021-08-02 | 2021-08-02 | Full-section closed type sponge road structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216378982U (en) |
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2021
- 2021-08-02 CN CN202121777356.8U patent/CN216378982U/en active Active
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