CN213925705U - Porous drainage bituminous pavement structure - Google Patents
Porous drainage bituminous pavement structure Download PDFInfo
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- CN213925705U CN213925705U CN202022603630.1U CN202022603630U CN213925705U CN 213925705 U CN213925705 U CN 213925705U CN 202022603630 U CN202022603630 U CN 202022603630U CN 213925705 U CN213925705 U CN 213925705U
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- drainage
- water
- pavement structure
- permeable
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000010426 asphalt Substances 0.000 claims abstract description 25
- 230000008595 infiltration Effects 0.000 claims abstract description 22
- 238000001764 infiltration Methods 0.000 claims abstract description 22
- 239000010410 layer Substances 0.000 claims description 95
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000011527 polyurethane coating Substances 0.000 claims description 7
- 238000005507 spraying Methods 0.000 claims description 7
- 239000004746 geotextile Substances 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- 239000011150 reinforced concrete Substances 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims 1
- 239000012466 permeate Substances 0.000 abstract description 24
- 230000000903 blocking effect Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 239000004744 fabric Substances 0.000 description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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Abstract
The application relates to the technical field of road engineering construction, in particular to a porous drainage asphalt pavement structure, which adopts the technical scheme that the porous drainage asphalt pavement structure comprises a kerbstone, a pavement body and a drainage system arranged between the kerbstone and the pavement body, wherein the pavement body comprises a permeable base layer, a permeable cushion layer, a first waterproof bonding layer, a base layer and a cushion layer which are sequentially arranged from top to bottom; the drainage system comprises a drainage ditch and a cover plate arranged at the top end of the drainage ditch, and a plurality of water inlets are formed in the cover plate; the escape canal sets up the below at the basic unit that permeates water, be provided with the hole of permeating water that is linked together with the bed course that permeates water on the escape canal. When the rainwater descends to the basic unit that permeates water, in rainwater infiltration basic unit and the pad layer that permeates water, because blocking of first waterproof bonding layer, the rainwater flows to the escape canal through the water inlet on the apron and the hole that permeates water in, is convenient for get rid of the rainwater on the road surface fast to be convenient for improve the drainage performance on road surface.
Description
Technical Field
The application relates to the technical field of road engineering construction, in particular to a porous drainage asphalt pavement structure.
Background
The asphalt pavement is the main structural form of the prior high-grade pavement because of the advantages of comfortable driving, low noise, convenient maintenance and the like. However, the anti-skid performance of asphalt pavements adopted by many important highways at present is low, the friction coefficient of pavements which do not meet the standard is more than half, and the mileage of the pavement with the road surface structure depth which does not meet the standard accounts for about seven percent of the total mileage of the highways. In rainy seasons in summer, traffic accidents occur frequently, and the reason is that water is easy to accumulate on the road surface to generate water drift, the road surface slips to cause the brake to be incapable of playing a role, the tire is treaded on water to spray and influence the sight of the following vehicle and the like on the expressway in rainy days.
Therefore, a new pavement structure is required to solve the problem that the related asphalt pavement is difficult to drain in rainy days.
SUMMERY OF THE UTILITY MODEL
In order to facilitate the drainage performance who improves the road surface, this application provides a porous drainage bituminous paving structure.
The application provides a porous drainage bituminous pavement structure adopts following technical scheme:
a porous drainage asphalt pavement structure comprises a kerbstone, a pavement body and a drainage system arranged between the kerbstone and the pavement body, wherein the pavement body comprises a permeable base layer, a permeable cushion layer, a first waterproof bonding layer, a base layer and a bottom cushion layer which are sequentially arranged from top to bottom;
the drainage system comprises a drainage ditch and a cover plate arranged at the top end of the drainage ditch, and a plurality of water inlets are formed in the cover plate; the escape canal sets up the below at the basic unit that permeates water, be provided with the hole of permeating water that is linked together with the bed course that permeates water on the escape canal.
Through adopting above-mentioned technical scheme, when the rainwater descends to the basic unit that permeates water, in the rainwater infiltration basic unit that permeates water and the pad layer that permeates water, because blocking of first waterproof bonding layer, the rainwater flows to the escape canal through the water inlet on the apron and the hole that permeates water in, is convenient for get rid of the rainwater on the road surface fast to be favorable to improving the drainage performance on road surface.
Optionally, a geotextile layer is arranged between the water permeable base layer and the water permeable cushion layer.
Through adopting above-mentioned technical scheme, the geotechnological cloth layer is used for carrying out impurity filtering to the rainwater that infiltrates down, thereby effectively reduces the grit of the basic unit that permeates water and leaks and block up the drainage ability of hole in permeating water the bed course and be convenient for improve the road surface.
Optionally, a bearing layer is arranged between the first waterproof bonding layer and the base layer.
Through adopting above-mentioned technical scheme, the bearing layer can play good supporting role to the permeable base layer and the permeable cushion layer of top, and plays fine guard action to the base layer of below, and the wheel vertical force of base layer is reachd in the balance, is convenient for reduce the damage probability on base layer road surface.
Optionally, the thickness of the bearing layer is 6-8 cm.
By adopting the technical scheme, the permeable base layer and the permeable cushion layer can be further supported well, and the damage probability of the pavement is effectively reduced.
Optionally, a second waterproof adhesive layer is arranged between the bearing layer and the base layer.
Through adopting above-mentioned technical scheme, the setting of second waterproof bonding layer for the adhesion is inseparable between bearing layer and the basic unit, effectively reduces the road surface because the separation between the layers causes the probability of damage, and waterproof bonding layer effectively reduces the rainwater that is permeated into the basic unit by the bearing layer simultaneously, makes moisture between each layer can not the infiltration, effectively reduces the probability that the flow of moisture caused the damage of road surface structure.
Optionally, the second waterproof bonding layer comprises a rubber asphalt macadam seal coat and a polyurethane coating spray coat sprayed on the rubber asphalt macadam seal coat.
Through adopting above-mentioned technical scheme, the waterproof adhesive linkage of second comprises rubber asphalt rubble seal coat and polyurethane coating spraying layer, and rubber asphalt rubble seal coat has the effect of waterproof bonding, can also make and have certain elasticity and ductility between bearing layer and the basic unit, and polyurethane coating spraying layer can further improve the waterproof performance between bearing layer and the basic unit to improve pavement structure's life-span.
Optionally, a water seepage pipe is arranged in the bottom cushion layer, and a plurality of water seepage holes penetrate through the outer wall of the water seepage pipe;
one end of the water seepage pipe is arranged in a closed mode, and the other end of the water seepage pipe is communicated with the drainage ditch.
Through adopting above-mentioned technical scheme, when the bottom mat layer is interior to be stayed water, accessible infiltration hole flows to in the infiltration pipe to in passing through the infiltration pipe with water drainage to the escape canal, effectively reduce the probability that groundwater corrodes the pavement structure of top.
Optionally, the infiltration pipe sets up to reinforced concrete pipe, be provided with a plurality of strengthening rib along its length direction in the infiltration pipe.
Through adopting above-mentioned technical scheme, the setting of strengthening rib is convenient for increase infiltration pipe's intensity, and the probability of damage appears when effectively infiltrating pipe uses.
In summary, the present application includes at least one of the following beneficial technical effects:
1. through the arrangement of the permeable base layer, the permeable cushion layer and the drainage ditch, rainwater flows into the drainage ditch through the water inlet and the permeable holes on the cover plate, so that the rainwater on the pavement can be conveniently and quickly drained, and the drainage performance of the pavement can be improved;
2. through the arrangement of the geotextile layer, the geotextile layer is used for filtering impurities of the downward-infiltrated rainwater, so that the sand and stone of the permeable base layer are effectively reduced from leaking into the permeable cushion layer to block the pores, and the drainage performance of the pavement is improved conveniently;
3. through the setting of second waterproof bonding layer for the adhesion is inseparable between bearing layer and the basic unit, effectively reduces the road surface because the interlaminar separation causes the probability of damage, and waterproof bonding layer effectively reduces the rainwater that is permeated through by the bearing layer simultaneously and permeates the basic unit, makes moisture between each layer can not the infiltration each other, effectively reduces the probability that the flow of moisture caused the damage of road surface structure.
Drawings
Fig. 1 is a schematic structural view of a road surface structure shown in an embodiment of the present application;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a schematic structural view of a water seepage pipe according to an embodiment of the present application.
Description of reference numerals: 1. a water permeable base layer; 2. a geotextile layer; 3. a water-permeable cushion layer; 4. a first waterproof adhesive layer; 5. a bearing layer; 6. a second waterproof adhesive layer; 7. a base layer; 8. a bottom cushion layer; 81. a water seepage pipe; 82. a water seepage hole; 83. reinforcing ribs; 9. a curb; 10. a drainage system; 11. a drainage ditch; 12. a cover plate; 13. a water inlet; 14. and (6) water permeable holes.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses porous drainage bituminous pavement structure. Referring to fig. 1, including curb 9, road surface body and the drainage system 10 of setting between curb 9 and road surface body, the road surface body is including the basic unit 1 that permeates water, the bed course 3 that permeates water, first waterproof bonding layer 4, bearing layer 5, basic unit 7 and the bed course 8 that set gradually from top to bottom.
Referring to fig. 1, basic unit 1 that permeates water sets up to many rubbles bituminous concrete surface course, and many rubbles bituminous concrete surface course adopts the coarse rubbles to form the skeleton, and the pitch sand glue fills the hole in the skeleton and makes the bituminous mixture form that the skeleton is glued together and forms, and concrete composition is: the coarse aggregate content is 69-78%, the mineral powder content is 6-10%, and the oil-stone ratio is about 5%. It has gap and water permeability, and simultaneously has better resistance to deformation.
Referring to fig. 1, the permeable cushion 3 is made of medium-sized asphalt concrete, and the maximum aggregate size is 16mm or 19mm, so that the strength of the permeable cushion can be enhanced while the water permeability is ensured.
Referring to fig. 1, be provided with geotechnological cloth layer 2 between basic unit 1 and the bed course 3 that permeates water, geotechnological cloth layer 2 is used for carrying out impurity filtering to the rainwater that infiltrates down, thereby effectively reduces the grit of basic unit 1 that permeates water and leaks and block up the drainage performance on hole in the bed course 3 that permeates water and be convenient for improve the road surface.
Referring to fig. 1, first waterproof bonding layer 4 includes rubber asphalt macadam seal coat and the polyurethane coating spraying layer of spraying on rubber asphalt macadam seal coat, and rubber asphalt macadam seal coat has the effect of waterproof bonding, can also make to permeate water and have certain elasticity and ductility between bed course 3 and the bearing layer 5, and polyurethane coating spraying layer can further improve the waterproof performance between bed course 3 and the bearing layer 5 of permeating water to improve the life-span of road surface structure.
Referring to fig. 1, the thickness of the bearing layer 5 is 6-8cm, which is convenient for supporting the permeable base layer 1 and the permeable cushion layer 3, and effectively reduces the damage probability of the road surface. Be provided with second waterproof bonding layer 6 between bearing layer 5 and the basic unit 7, second waterproof bonding layer 6 includes rubber asphalt rubble seal coat and sprays the polyurethane coating spraying layer on rubber asphalt rubble seal coat, make the adhesion between bearing layer 5 and the basic unit 7 inseparable, effectively reduce the road surface because interlayer separation causes the probability of damage, waterproof bonding layer effectively reduces simultaneously and permeates basic unit 7 by the rainwater that bearing layer 5 sees through, make moisture between each layer can not the infiltration each other, effectively reduce the probability that the flow of moisture caused the damage of road surface structure.
Referring to fig. 1, drainage system 10 includes escape canal 11 and sets up apron 12 on 11 tops in escape canal, is provided with a plurality of water inlet 13 on the apron 12, and escape canal 11 sets up in geotechnological cloth layer 2's below, is provided with the hole 14 of permeating water that is linked together with the bed course 3 that permeates water on the escape canal 11, is convenient for permeate water basic unit 1 and permeate water in the bed course 3 to in the escape canal 11.
Referring to fig. 2 and 3, be provided with infiltration pipe 81 in the bed course 8, the one end of infiltration pipe 81 is the closed setting, and the other end and the escape canal 11 of infiltration pipe 81 are linked together, runs through on the lateral wall of infiltration pipe 81 and is provided with a plurality of infiltration hole 82, is convenient for arrange the water that is detained in the bed course 8 in to the escape canal 11 in through infiltration hole 82. The infiltration pipe 81 is set up to reinforced concrete pipe, and is provided with a plurality of strengthening rib 83 along its length direction in the infiltration pipe 81, is convenient for strengthen the intensity of infiltration pipe 81.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a porous drainage bituminous paving structure which characterized in that: the road surface comprises a kerbstone (9), a road surface body and a drainage system (10) arranged between the kerbstone (9) and the road surface body, wherein the road surface body comprises a permeable base layer (1), a permeable cushion layer (3), a first waterproof bonding layer (4), a base layer (7) and a bottom cushion layer (8) which are sequentially arranged from top to bottom;
the drainage system (10) comprises a drainage ditch (11) and a cover plate (12) arranged at the top end of the drainage ditch (11), wherein a plurality of water inlets (13) are formed in the cover plate (12); the drainage ditch (11) is arranged below the permeable base layer (1), and the drainage ditch (11) is provided with permeable holes (14) communicated with the permeable cushion layer (3).
2. The porous drainage asphalt pavement structure according to claim 1, wherein: and a geotextile layer (2) is arranged between the water permeable base layer (1) and the water permeable cushion layer (3).
3. The porous drainage asphalt pavement structure according to claim 1, wherein: and a bearing layer (5) is arranged between the first waterproof bonding layer (4) and the base layer (7).
4. The porous drainage asphalt pavement structure according to claim 3, wherein: the thickness of the bearing layer (5) is 6-8 cm.
5. The porous drainage asphalt pavement structure according to claim 3, wherein: and a second waterproof bonding layer (6) is arranged between the bearing layer (5) and the base layer (7).
6. The porous drainage asphalt pavement structure according to claim 5, wherein: the second waterproof bonding layer (6) comprises a rubber asphalt macadam seal coat and a polyurethane coating spray coating layer sprayed on the rubber asphalt macadam seal coat.
7. The porous drainage asphalt pavement structure according to claim 1, wherein: a water seepage pipe (81) is arranged in the bottom cushion layer (8), and a plurality of water seepage holes (82) penetrate through the outer wall of the water seepage pipe (81);
one end of the water seepage pipe (81) is arranged in a closed mode, and the other end of the water seepage pipe (81) is communicated with the drainage ditch (11).
8. The porous drainage asphalt pavement structure according to claim 7, wherein: the infiltration pipe (81) is set up to reinforced concrete pipe, be provided with a plurality of strengthening rib (83) along its length direction in infiltration pipe (81).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603630.1U CN213925705U (en) | 2020-11-11 | 2020-11-11 | Porous drainage bituminous pavement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022603630.1U CN213925705U (en) | 2020-11-11 | 2020-11-11 | Porous drainage bituminous pavement structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213925705U true CN213925705U (en) | 2021-08-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022603630.1U Expired - Fee Related CN213925705U (en) | 2020-11-11 | 2020-11-11 | Porous drainage bituminous pavement structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213925705U (en) |
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2020
- 2020-11-11 CN CN202022603630.1U patent/CN213925705U/en not_active Expired - Fee Related
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| 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: 20210810 |