CN204589747U - A kind of water permeability composite pavement structure completely - Google Patents
A kind of water permeability composite pavement structure completely Download PDFInfo
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- CN204589747U CN204589747U CN201520104887.9U CN201520104887U CN204589747U CN 204589747 U CN204589747 U CN 204589747U CN 201520104887 U CN201520104887 U CN 201520104887U CN 204589747 U CN204589747 U CN 204589747U
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Abstract
The utility model discloses a kind of water permeability composite pavement structure completely, comprise the surface layer being arranged on and roadbed is arranged successively from top to bottom, adhesive linkage, grid layer, basic unit and bed course, surface layer is the permeable surface layer formed by pervious asphalt concrete, adhesive linkage is the pervious asphalt adhesion coating formed by pitch, grid layer is fiberglass grid, basic unit is the porous base course formed by water-permeable cement concrete, bed course is by graded broken stone, graded gravel, one or more permeable pellet bed courses be mixed to form of grating crushed gravel, this complete water permeability composite pavement structure has flexible pavement on the one hand without seam, driving vibration is little, noise is low, the advantage that maintenance is easy, also there is cement pavement intensity high, the advantages such as the life-span is long, on the other hand, also there is permeable, ventilative feature, ooze under can making rainwater fast and enter stratum, effectively keep balance of city ecosystem system, the burden of urban sewerage and drainage facility can also be alleviated when amount of precipitation is larger, there is positive effect.
Description
Technical field
the utility model relates to road surface structure technical field, particularly the complete water permeability composite pavement structure of one.
Background technology
In urban construction, many cities adopt the closed earth's surface such as cement concrete, bituminous concrete in a large number, replace original soil surface, to public places such as road sidewalk, nonmotorized vehicle lanes, also like laying with neatly beautiful stone slab or cement azulejo.Close earth's surface while improving traffic and condition of road surface, beautifying the environment, also significant adverse effect is produced to urban ecology and climatic environment.
Wherein, close earth's surface due to progressively by material water-proof material covering of hardening, ooze under moisture is difficult to, precipitation becomes surface flow very soon, enters river course or subsoil drain, thus defines " the artificial desert " on ecology.
The waterproof pavement that closed earth's surface is caused lacks the regulating power to urban surface temperature, humidity, and rainwater evaporation is fast, and earth's surface is easily dry, dust pollution weight; And moisture rapid evaporation after rain, air humidity is large, makes people feel sultry hard to bear, then abnormal dry again, thus produces the city " heat island effect " on meteorology.
The waterproof pavement that closed earth's surface is caused prevents groundwater recharge path, in addition the excessive extraction of urban groundwater, causes Urban Underground water level more and more lower, causes surface settlement, coastal area also can cause inwelling, thus causes " funnel type " groundwater table in geology.
The waterproof pavement that closed earth's surface is caused also makes the ground flora growth difficulty being used in city regulating microclimate, and some trees even because root system lack of water is dead, lodging, thus lose Ecology Action.
Therefore, need badly and propose a kind of road structure with good water permeability to add the water-permeable and air permeable space in city, reach the good result regulating urban microclimate, keep ecological balance.
Utility model content
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, the complete water permeability composite pavement structure of water-permeable and air permeable.
For solving the problems of the technologies described above adopted technical scheme: a kind of water permeability composite pavement structure completely, comprise the surface layer being arranged on and roadbed is arranged successively from top to bottom, adhesive linkage, grid layer, basic unit and bed course, it is characterized in that: described surface layer is the permeable surface layer formed by pervious asphalt concrete, described adhesive linkage is the pervious asphalt adhesion coating formed by pitch, described grid layer is fiberglass grid, described basic unit is the porous base course formed by water-permeable cement concrete, described bed course is by graded broken stone, graded gravel, one or more permeable pellet bed courses be mixed to form of grating crushed gravel.
Further, described pervious asphalt adhesion coating be the discontinuous even spread of point-like on porous base course, the spread area of described pervious asphalt adhesion coating accounts for 30% ~ 50% of road area.
Further, the mesh form of described fiberglass grid is rectangle, and mesh size is 0.5 ~ 1.5cm, and ultimate tensile strength is not less than 60kN/m, and tension elongation rate is not more than 3%.
Further, the thickness of described permeable surface layer is 2 ~ 6cm.
Further, the thickness of described permeable surface layer is 4cm.
Further, the thickness of described porous base course is 15 ~ 30cm.
Further, the thickness of described porous base course is 20cm.
Further, the thickness of described permeable pellet bed course is 10 ~ 30cm.
Further, the thickness of described permeable pellet bed course is 15 ~ 20cm.
Further, the side that described permeable pellet bed course is lower is formed with weeper drain, is equipped with scupper hose in described french drain.
Beneficial effect: this complete water permeability composite pavement structure adopts permeable surface layer, porous base course and permeable pellet bed course three layers of full impregnated water composite road surface structure, and adhesive linkage and grid layer are set between permeable surface layer and porous base course to add the connection of highly permeable surface layer and porous base course, and prevent crack, this road structure has flexible pavement on the one hand and vibrates the advantage little, noise is low, maintenance is easy without seam, driving, also has the advantages such as cement pavement intensity is high, the life-span is long; On the other hand, also there is permeable, ventilative feature, ooze under can making rainwater fast and enter stratum, effective maintenance balance of city ecosystem system, can also alleviate the burden of urban sewerage and drainage facility, prevent urban waterlogging when amount of precipitation is larger, to the heat island effect alleviating city, there is positive effect.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described further;
Fig. 1 is the utility model embodiment road structure schematic diagram;
Fig. 2 is the utility model embodiment avris road structure schematic diagram.
Detailed description of the invention
See figures.1.and.2, a kind of water permeability composite pavement structure completely of the utility model, comprise be arranged on roadbed is from top to bottom arranged successively surface layer, adhesive linkage, grid layer, basic unit and bed course, surface layer is the permeable surface layer 1 formed by pervious asphalt concrete, adhesive linkage is the pervious asphalt adhesion coating 2 formed by pitch, grid layer is fiberglass grid 3, basic unit is the porous base course 4 formed by water-permeable cement concrete, and bed course is by one or more permeable pellet bed courses 5 be mixed to form of graded broken stone, graded gravel, grating crushed gravel.
In the present embodiment, surface layer forms permeable surface layer 1 by pervious asphalt concrete, and permeable surface layer 1 is except having the advantage of traditional asphalt rigid pavement, namely surfacing is without seam, and driving vibration is little, and noise is low, open to traffic is fast, the advantages such as maintenance is easy, can also breathe freely, permeable.Pervious asphalt adhesion coating 2 improves on the basis of traditional asphalt adhesion coating, particularly, this pervious asphalt adhesion coating 2 is that the discontinuous even spread of point-like is on porous base course 4, pervious asphalt adhesion coating 2 has and adds highly permeable surface layer 1 and the close-burning effect of porous base course 4, because pervious asphalt adhesion coating 2 is that it also has permeable effect in point-like spread.Grid layer selects fiberglass grid 3 to be formed, and fiberglass grid 3 has minimizing and delays the reflection crack effect of porous base course 4 to permeable surface layer 1.Basic unit forms porous base course 4 by water-permeable cement concrete, porous base course 4 except having the advantage of conventional cement rigid pavement, i.e. easy construction, the advantage such as intensity is high, the life-span is long, also ventilative, permeable.Bed course is permeable pellet bed course 5, is formed, avoid there is ponding under road surface by seepy materials such as graded broken stone, graded gravel, grating crushed gravels.
This composite road surface structure has flexible pavement on the one hand and vibrates the advantage little, noise is low, maintenance is easy without seam, driving, also has the advantages such as cement pavement intensity is high, the life-span is long; On the other hand, also there is permeable, ventilative feature, rainwater infiltration can be made to enter stratum, effectively keep balance of city ecosystem system.
Wherein, the thickness of permeable surface layer 1 should be 2 ~ 6cm, is preferably 4cm.The spread area of pervious asphalt adhesion coating 2 accounts for 30% ~ 50% of road area, is preferably 40%.The mesh form of fiberglass grid 3 is rectangle, and mesh size is 0.5 ~ 1.5cm, and ultimate tensile strength is not less than 60kN/m, and tension elongation rate is not more than 3%.The thickness of porous base course 4 should be 15 ~ 30cm, is preferably 20cm.The thickness of permeable pellet bed course 5 should be 10 ~ 30cm, is preferably 15 ~ 20cm.
The side lower at permeable pellet bed course 5 is formed with weeper drain 6, the material of weeper drain 6 can be consistent with permeable pellet bed course 5, namely the seepy materials such as graded broken stone, graded gravel, grating crushed gravel can be adopted, weeper drain 6 suitable size is 30*30cm, concrete size can be determined according to the charge for remittance amount of width of roadway, also scupper hose 7 should be equipped with in weeper drain 6, the size of scupper hose 7 should not be less than 10cm, suitable size is 15cm, can determine according to the remittance water yield cheek of width of roadway.The catch-basin of road structure internal water to road can be got rid of as early as possible by scupper hose 7, enter municipal drainage system or roadbed edge gutter.
By reference to the accompanying drawings embodiment of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned embodiment, in the ken that described technical field those of ordinary skill possesses, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (10)
1. a complete water permeability composite pavement structure, comprise be arranged on roadbed is from top to bottom arranged successively surface layer, adhesive linkage, grid layer, basic unit and bed course, it is characterized in that: described surface layer is the permeable surface layer formed by pervious asphalt concrete, described adhesive linkage is the pervious asphalt adhesion coating formed by pitch, described grid layer is fiberglass grid, described basic unit is the porous base course formed by water-permeable cement concrete, and described bed course is permeable pellet bed course.
2. complete water permeability composite pavement structure according to claim 1, is characterized in that: described pervious asphalt adhesion coating be the discontinuous even spread of point-like on porous base course, the spread area of described pervious asphalt adhesion coating accounts for 30% ~ 50% of road area.
3. complete water permeability composite pavement structure according to claim 1, is characterized in that: the mesh form of described fiberglass grid is rectangle, and mesh size is 0.5 ~ 1.5cm, and ultimate tensile strength is not less than 60kN/m, and tension elongation rate is not more than 3%.
4. complete water permeability composite pavement structure according to claim 1, is characterized in that: the thickness of described permeable surface layer is 2 ~ 6cm.
5. complete water permeability composite pavement structure according to claim 4, is characterized in that: the thickness of described permeable surface layer is 4cm.
6. complete water permeability composite pavement structure according to claim 1, is characterized in that: the thickness of described porous base course is 15 ~ 30cm.
7. complete water permeability composite pavement structure according to claim 6, is characterized in that: the thickness of described porous base course is 20cm.
8. complete water permeability composite pavement structure according to claim 1, is characterized in that: the thickness of described permeable pellet bed course is 10 ~ 30cm.
9. complete water permeability composite pavement structure according to claim 8, is characterized in that: the thickness of described permeable pellet bed course is 15 ~ 20cm.
10. complete water permeability composite pavement structure according to claim 1, is characterized in that: the side that described permeable pellet bed course is lower is formed with weeper drain, is equipped with scupper hose in described french drain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104887.9U CN204589747U (en) | 2015-02-12 | 2015-02-12 | A kind of water permeability composite pavement structure completely |
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| CN201520104887.9U CN204589747U (en) | 2015-02-12 | 2015-02-12 | A kind of water permeability composite pavement structure completely |
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| CN204589747U true CN204589747U (en) | 2015-08-26 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322225A (en) * | 2018-10-24 | 2019-02-12 | 山东省交通科学研究院 | A kind of multi-layer recycled functional layer drainage crack resistance type asphalt pavement maintenance structure |
| CN109811627A (en) * | 2019-01-14 | 2019-05-28 | 广东省怡合高速公路工程有限公司 | The construction of the highway method of rapid shaping |
-
2015
- 2015-02-12 CN CN201520104887.9U patent/CN204589747U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322225A (en) * | 2018-10-24 | 2019-02-12 | 山东省交通科学研究院 | A kind of multi-layer recycled functional layer drainage crack resistance type asphalt pavement maintenance structure |
| CN109811627A (en) * | 2019-01-14 | 2019-05-28 | 广东省怡合高速公路工程有限公司 | The construction of the highway method of rapid shaping |
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| C14 | Grant of patent or utility model | ||
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Address after: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong, Yuexiu District Patentee after: Guangzhou municipal engineering design and Research Institute Co., Ltd. Address before: 510060 East seat, No. 348 East Ring Road, Guangzhou, Guangdong Patentee before: Guangzhou City Engineering Design studies total institute |
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| CP03 | Change of name, title or address |