CN213740415U - Porous permeable pavement system - Google Patents
Porous permeable pavement system Download PDFInfo
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- CN213740415U CN213740415U CN202022455727.2U CN202022455727U CN213740415U CN 213740415 U CN213740415 U CN 213740415U CN 202022455727 U CN202022455727 U CN 202022455727U CN 213740415 U CN213740415 U CN 213740415U
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Abstract
The utility model provides a porous permeable pavement system, which belongs to the technical field of roads and solves the technical problem that rainwater permeating into a pavement structure is timely discharged to prevent the rainwater from damaging a base layer; the water seepage drainage structure comprises a longitudinal water seepage drainage tube and a transverse water seepage drainage tube connected with the longitudinal water seepage drainage tube and a drainage object. The utility model provides a porous permeable pavement system, not only can prevent the road surface from appearing ponding, can also discharge the rainwater in the pavement system in time, prevent the pavement system from causing fracture etc. because of inside ponding; the waterproof layer is isolated with rainwater and subbase, can prevent subbase and rainwater contact, further avoids the subbase to receive ponding influence.
Description
Technical Field
The utility model belongs to the technical field of drainage road surface, more specifically say, relate to a porous permeable pavement system.
Background
In recent years, with the continuous development of the urbanization level of China, the requirements on the safety, comfort, environmental protection and the like of town roads are higher and higher, the traditional asphalt pavement has high driving noise, cannot drain water in time in rainy days, is easy to form surface water and a road surface water film, has the phenomena of water drift, water fog, glare and the like, seriously influences the driving safety, and meanwhile, increases the burden of an urban drainage system and increases the occurrence probability of urban waterlogging. Therefore, in the past, the reconstruction of the pavement structure is mostly the holes for increasing the pavement structure layer, but rainwater can cause cracking of the base layer when permeating the base layer through the holes of the pavement structure and cannot be discharged in time, and the quality of the road is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a porous permeable pavement system aims at solving the inside rainwater of in time discharging infiltration road surface structure, prevents that it from producing the technical problem of harm to the basic unit.
In order to achieve the above object, the utility model adopts the following technical scheme: provided is a porous permeable pavement system comprising:
the permeable pavement comprises a permeable surface layer, a permeable base layer, a waterproof layer and a subbase layer from top to bottom, wherein mutually communicated pores are formed between the permeable surface layer and the permeable base layer;
the water seepage drainage structure is arranged in a drainage area reserved on the side surface of the permeable pavement along the extending direction of the road, and comprises a longitudinal water seepage drainage pipe and a transverse water seepage drainage pipe, wherein the longitudinal water seepage drainage pipe is positioned on the side surface of the permeable base layer along the direction of the road, and the transverse water seepage drainage pipe is arranged along the direction of the cross section of the road and is used for connecting the longitudinal water seepage drainage pipe and a drainage object;
and water entering the water permeable base layer through the water permeable surface layer permeates into the longitudinal water seepage drainage tube from the side surface of the water permeable base layer and then enters the drainage object through the transverse water seepage drainage tube.
The utility model discloses an embodiment, follow the extending direction of road, permeable pavement's side is equipped with greenbelt or dirt shoulder, the drainage zone is located greenbelt or dirt shoulder.
The utility model discloses an in one embodiment, horizontal infiltration drainage tube is equipped with a plurality of groups, and follows the extending direction on road has the longitudinal slope the lowest point on longitudinal slope sets up one horizontal infiltration drainage tube.
The utility model discloses an in one embodiment, among the infiltration drainage structure vertically seep water the drainage tube with all include in the structure of horizontal infiltration drainage tube:
the drainage blind ditch is internally provided with a preformed hole along the axial direction;
and the water seepage pipe is positioned in the reserved hole of the drainage blind ditch, and the water seepage pipe and the drainage blind ditch are compounded to form a double-layer water seepage pipe structure.
The utility model discloses an in the embodiment vertical infiltration drainage tube with transversely seep water the outside parcel waterproofing membrane of drainage tube.
In one embodiment of the present invention, the sub-base layer is a semi-rigid base layer.
In one embodiment of the present invention, the water permeable surface layer is a water permeable asphalt surface layer.
In one embodiment of the present invention, the waterproof layer is formed by spreading a waterproof roll after spraying hot asphalt on the sub-base layer.
In one embodiment of the present invention, the permeable base layer is a porous modified cement concrete base layer.
The utility model discloses an embodiment, still include: and the bonding layer is positioned between the permeable surface layer and the permeable base layer and is formed by arranging special emulsified asphalt on the permeable base layer.
The utility model provides a porous permeable pavement system's beneficial effect lies in: compared with the prior art, the utility model discloses porous permeable pavement system adds above the subbase and establishes waterproof layer, permeable base course and permeable surface layer to set up infiltration drainage structure in permeable pavement's side, and the rainwater permeates through permeable surface layer and permeable base course and gets into the pavement system, and then discharges via the infiltration drainage structure of both sides, the utility model discloses porous permeable pavement system not only can prevent that the road surface from appearing ponding, can also discharge the rainwater in the pavement system in time, prevents that the pavement system from causing the fracture because of inside ponding; the waterproof layer is isolated with rainwater and subbase, can prevent subbase and rainwater contact, further avoids the subbase to receive ponding influence.
Furthermore, in the existing permeable pavement structure, the drainage structure is arranged in the bottom sub-base layer most of the time, so that rainwater in the permeable structures on the upper layers cannot be drained in time, the pavement construction process is complicated, and when the drainage pipeline is blocked and needs to be maintained, the whole pavement structure needs to be damaged, so that the drainage system is difficult to maintain. And the utility model discloses well permeable pavement system, the process is simpler when the road surface construction, and it is also more convenient to maintain, need not cause destruction to the road surface and can accomplish the maintenance.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram (along a cross-sectional direction of a road) of a porous permeable pavement system provided by an embodiment of the present invention;
fig. 2 is a schematic view of the connection between the longitudinal water seepage drainage tube and the transverse water seepage drainage tube provided by the embodiment of the utility model.
In the figure: 1. a water permeable facing; 2. a water permeable base layer; 3. a waterproof layer; 4. an underlayer; 5. longitudinal drainage blind ditches; 6. a longitudinal water seepage pipe; 7. a horizontal drainage blind ditch; 8. a transverse water seepage pipe; 9. a curb; 10. a waterproof roll.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.
One embodiment of the porous permeable pavement system shown in fig. 1 and 2 comprises a permeable pavement and a water seepage drainage structure arranged in a drainage area reserved on the side of the permeable pavement along the extending direction of a road, wherein the permeable pavement comprises a permeable surface layer 1, a permeable base layer 2, a waterproof layer 3 and a base layer 4 from top to bottom, and mutually communicated pores are arranged between the permeable surface layer 1 and the permeable base layer 2; the water seepage and drainage structure comprises a longitudinal water seepage drainage pipe and a transverse water seepage drainage pipe, wherein the longitudinal water seepage drainage pipe is positioned on the side surface of the water permeable base layer 2 along the direction of a road, and the transverse water seepage drainage pipe is arranged along the direction of the cross section of the road and is used for connecting the longitudinal water seepage drainage pipe and a drainage object; water entering the permeable base layer 2 through the permeable surface layer 1 permeates into the longitudinal water seepage drainage tube from the side surface of the permeable base layer 2 and then enters a drainage object through the transverse water seepage drainage tube.
Compared with the prior art, the porous permeable pavement system has the advantages that the waterproof layer 3, the permeable base layer 2 and the permeable surface layer 1 are additionally arranged above the subbase layer 4, the water seepage drainage structure is arranged on the side surface of the permeable pavement, rainwater permeates into the pavement system through the permeable surface layer 1 and the permeable base layer 2, permeates into the longitudinal water seepage drainage pipes in the drainage areas on the two sides of the permeable base layer 2 from the holes in the permeable base layer 2 and then flows into drainage objects through the transverse water seepage drainage pipes, and the porous permeable pavement system can prevent the road surface from seeping water and can timely drain the rainwater in the pavement system, so that the pavement system is prevented from cracking due to the internal seeping water; waterproof layer 3 is isolated with rainwater and subbase 4, can prevent subbase 4 and rainwater contact, further avoids subbase 4 to receive ponding influence. On the other hand, among the current permeable pavement structure, drainage structures all set up in the subbottom 4 most of the time, not only can lead to above several layers permeable structure's rainwater can not more timely discharge like this, also can lead to the road surface construction process loaded down with trivial details simultaneously to when drainage pipe takes place to block up and needs to maintain, need destroy whole road surface structure and just can maintain, also make drainage system maintain the difficulty. And the utility model discloses well permeable pavement system, the process is simpler when the road surface construction, and it is also more convenient to maintain, need not cause destruction to the road surface and can accomplish the maintenance.
Specifically, along the extending direction of the road, a green belt or a soil shoulder is arranged on the side surface of the permeable pavement, and the drainage area is positioned in the green belt or the soil shoulder. Preferably, both sides of the permeable pavement are provided with green belts or soil shoulders, drainage areas are reserved in the green belts or the soil shoulders on both sides, and two groups of the water seepage drainage structures are arranged and are respectively positioned in the drainage areas on both sides of the road.
Specifically, the transverse water seepage drainage tubes are provided with a plurality of groups, and are arranged between the drainage object and the longitudinal water seepage drainage tubes in parallel along the extending direction of the road. The distance between adjacent horizontal infiltration drainage tubes is 30-50 m under the influence of road width and longitudinal gradient to guarantee that hydroenergy in the vertical infiltration drainage tube is in time discharged. When the permeable pavement is provided with the longitudinal slope along the extending direction of the road, the lowest point of the longitudinal slope is provided with the transverse water seepage drainage pipe, so that water seeped into the longitudinal water seepage drainage pipe from the pavement of the road can be more conveniently drained. Preferably, the inner diameter of the transverse water seepage drainage pipe arranged at the lowest point of the longitudinal slope is larger than the inner diameters of other transverse water seepage drainage pipes.
Specifically, the longitudinal water seepage drainage tube and the transverse water seepage drainage tube in the water seepage drainage structure have the same skeleton structure, and the skeleton structures of the longitudinal water seepage drainage tube and the transverse water seepage drainage tube are both double-layer water seepage tube structures formed by compounding drainage blind ditches and water seepage tubes; wherein the drainage blind ditch is internally provided with holes along the axial direction of the drainage blind ditch, and the water seepage pipe is positioned in the reserved holes of the drainage blind ditch. In this embodiment, the drainage blind ditch is composed of permeable materials such as permeable graded broken stones or permeable graded gravel, and has water permeability, and rainwater can directly enter the drainage blind ditch and permeate into the infiltration pipe through the drainage blind ditch. Fig. 2 is a schematic view showing an embodiment of connection between a longitudinal water seepage drainage pipe and a transverse water seepage drainage pipe at a road end, wherein a skeleton structure of the longitudinal water seepage drainage pipe comprises a longitudinal drainage blind ditch 5 and a longitudinal water seepage pipe 6, the longitudinal water seepage pipe 6 is positioned in a hole of the longitudinal drainage blind ditch 5, water entering a water permeable base layer 2 through a water permeable surface layer 1 permeates into the longitudinal drainage blind ditch 5 from the side surface of the water permeable base layer 2 and then permeates into the longitudinal water seepage pipe 6 through the longitudinal drainage blind ditch 5; the skeleton structure of the transverse water seepage drainage tube comprises a transverse drainage blind ditch 7 and a transverse water seepage tube 8, wherein the transverse water seepage tube 8 is positioned in a hole of the transverse drainage blind ditch 7, and the transverse water seepage drainage tube is connected with the longitudinal water seepage drainage tube and a drainage object and discharges rainwater in the longitudinal water seepage drainage tube to the drainage object.
Specifically, the drainage object may be a catch basin or other drainage systems. The transverse water seepage drainage pipe is connected with the longitudinal water seepage drainage pipe and the catch basin, and water seeped from the road is drained into the catch basin. Specifically, along the cross section direction of road, subbase 4 is provided with 1% -2% horizontal slope in the middle part, and subbase 4's upper surface is middle high both sides low, and the rainwater oozes to waterproof layer 3 top through the hole of the surface course 1 that permeates water and basic unit 2, discharges to both sides along horizontal slope, gets into in the vertical drainage pipe that permeates water of both sides, and then discharges to the rainwater well by horizontal drainage pipe that permeates water.
In order to ensure that the water discharged from the water seepage drainage structure cannot seep into the roadbed again to influence the roadbed, the waterproof coiled material 10 is wrapped outside the longitudinal water seepage drainage tube and the transverse water seepage drainage tube, so that the water seeped from the road can be discharged only through the water seepage drainage structure, and cannot seep back from the water seepage drainage structure to damage the roadbed. Optionally, the waterproof roll 10 may be a nonwoven fabric composite geomembrane, or may be made of other waterproof materials meeting the road paving standard.
As an embodiment of the waterproof layer 3, the waterproof layer 3 is formed by spraying hot asphalt on the base layer 4 and then laying a waterproof roll 10.
As an embodiment of the sub-base layer 4, the sub-base layer 4 is a conventional semi-rigid base layer, and is made of a semi-rigid material. The waterproof layer 3 is positioned above the subbase layer 4 and used for protecting the subbase layer 4 and preventing rainwater from entering the subbase layer 4; the waterproof layer 3 adopts a waterproof coiled material 10, and hot asphalt needs to be sprayed before the waterproof coiled material 10 is paved on the subbase layer 4 so as to ensure that the waterproof coiled material 10 is firmly bonded with the subbase layer 4 and the paving is smooth. Optionally, the waterproof roll 10 is a nonwoven fabric composite geomembrane.
As a specific embodiment of the water permeable base layer 2, the water permeable base layer 2 is a porous modified cement concrete base layer. The permeable base layer 2 is porous modified cement concrete and is a mixture with communicated pores formed by mixing and consolidating materials such as cement, single-particle-size aggregate, water, a modifier and the like, and the porosity of the pores formed in the mixture is not less than 20%; the two sides of the permeable base layer 2 are connected with the longitudinal drainage blind ditches 5, and water in the permeable base layer 2 can permeate into the longitudinal drainage blind ditches 5 through the pores.
In order to ensure that the water permeable surface layer 1 can permeate water, reduce the road surface area and prevent the formation of a water film on the road surface, the water permeable surface layer 1 is a water permeable asphalt surface layer, and mainly adopts an asphalt mixture mainly comprising single-particle-size crushed stones, the interior of the asphalt mixture forms water permeable pores, and the porosity of the asphalt layer is required to be more than 18% in order to ensure drainage and prevent the formation of the water film.
In order to ensure the interlayer bonding strength, a bonding layer is arranged between the permeable surface layer 1 and the permeable base layer 2, and the bonding layer is formed by arranging special emulsified asphalt on the permeable base layer 2. Specifically, the asphalt layer is in the basic unit 2 that permeates water, porous modified cement concrete layer's top, need lay interlayer bonding material in the layer clearance of two-layer contact, and interlayer bonding material is emulsified asphalt, when guaranteeing the porosity of cohering between the layer, improves the cohering intensity between asphalt layer and the porous modified cement concrete layer to and guarantee the water permeability of road surface structure and the wholeness between the road surface structure layer. The emulsified asphalt can be water-based epoxy modified emulsified asphalt and other special emulsified asphalt.
In fig. 1, a modified embodiment of the pavement system is shown, the upper part of the water permeable base layer 2 is provided with kerbs 9, and the kerbs 9 are positioned on both sides of the road and contact with the water permeable surface layer 1. The longitudinal water seepage drainage tube is arranged in a drainage area outside the kerb 9, and the longitudinal water seepage drainage tube does not influence the normal use of the road.
Optionally, in order to ensure smooth drainage, the bottom surface of the longitudinal drainage blind ditch 5 is lower than the bottom surface of the permeable base layer 2, and the longitudinal water seepage pipe 6 is located at the bottom of the longitudinal drainage blind ditch 5, so that water drained from the permeable base layer 2 flows into the longitudinal drainage blind ditch 5 and then does not flow back and seep out.
Optionally, the infiltration pipe is impervious material, has seted up a plurality of holes of permeating water on the pipe wall of infiltration pipe, and the water in the drainage french drain gets into in the infiltration pipe through the hole of permeating water.
Optionally, the infiltration pipe adopts soft pipe, foraminiferous PVC pipe or other have the pipe material that permeates water, drainage function, and the water in the drainage french drain can directly get into the infiltration pipe through the pipe wall of infiltration pipe, need not set up the through-hole that permeates water and use on the infiltration pipe, guarantees that the rainwater can in time permeate, can not form the phenomenon of drainage french drain ponding because of the infiltration untimely. The gradient of the longitudinal water seepage pipe 6 is laid along with the longitudinal gradient of the road, and the diameter of the longitudinal water seepage pipe is selected from different specifications such as D150mm, D200mm, D250mm and D300mm according to the factors such as the width of the road, the longitudinal gradient and the like.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. Porous permeable pavement system, its characterized in that includes:
the permeable pavement comprises a permeable surface layer, a permeable base layer, a waterproof layer and a subbase layer from top to bottom, wherein mutually communicated pores are formed between the permeable surface layer and the permeable base layer;
the water seepage drainage structure is arranged in a drainage area reserved on the side surface of the permeable pavement along the extending direction of the road, and comprises a longitudinal water seepage drainage pipe and a transverse water seepage drainage pipe, wherein the longitudinal water seepage drainage pipe is positioned on the side surface of the permeable base layer along the direction of the road, and the transverse water seepage drainage pipe is arranged along the direction of the cross section of the road and is used for connecting the longitudinal water seepage drainage pipe and a drainage object;
and water entering the water permeable base layer through the water permeable surface layer permeates into the longitudinal water seepage drainage tube from the side surface of the water permeable base layer and then enters the drainage object through the transverse water seepage drainage tube.
2. The porous permeable pavement system of claim 1, wherein a green belt or a soil shoulder is disposed on the side of the permeable pavement along the extending direction of the road, and the drainage area is located in the green belt or the soil shoulder.
3. The porous permeable pavement system of claim 1, wherein the transverse seepage drainage pipes are provided in groups and have longitudinal slopes along the extension direction of the pavement, and one of the transverse seepage drainage pipes is provided at the lowest point of the longitudinal slopes.
4. The porous permeable pavement system of claim 1, wherein the longitudinal and transverse permeable drainage pipes in the permeable drainage structure each comprise:
the drainage blind ditch is internally provided with a preformed hole along the axial direction;
and the water seepage pipe is positioned in the reserved hole of the drainage blind ditch, and the water seepage pipe and the drainage blind ditch are compounded to form a double-layer water seepage pipe structure.
5. The porous permeable pavement system of claim 4, wherein a waterproof roll is wrapped outside the longitudinal and transverse permeable drainage tubes.
6. The porous permeable pavement system of claim 1, wherein the sub-base layer is a semi-rigid base layer.
7. The porous permeable pavement system of claim 1, wherein the permeable facing is a permeable asphalt facing.
8. The porous permeable pavement system of claim 1, wherein the waterproof layer is formed by laying a waterproof roll after spraying hot asphalt on the sub-base layer.
9. The porous permeable pavement system of claim 1, wherein the permeable substrate is a porous modified cement concrete substrate.
10. The porous permeable pavement system of claim 1, further comprising: and the bonding layer is positioned between the permeable surface layer and the permeable base layer and is formed by arranging special emulsified asphalt on the permeable base layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022455727.2U CN213740415U (en) | 2020-10-29 | 2020-10-29 | Porous permeable pavement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022455727.2U CN213740415U (en) | 2020-10-29 | 2020-10-29 | Porous permeable pavement system |
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| CN213740415U true CN213740415U (en) | 2021-07-20 |
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| CN202022455727.2U Active CN213740415U (en) | 2020-10-29 | 2020-10-29 | Porous permeable pavement system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908636A (en) * | 2022-05-25 | 2022-08-16 | 中国恩菲工程技术有限公司 | Sponge urban road system |
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2020
- 2020-10-29 CN CN202022455727.2U patent/CN213740415U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114908636A (en) * | 2022-05-25 | 2022-08-16 | 中国恩菲工程技术有限公司 | Sponge urban road system |
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Address after: No.239, Jianye South Road, Xingtai City, Hebei Province 054000 Patentee after: Xingtai road and Bridge Construction Group Co.,Ltd. Address before: No.239, Jianye South Road, Xingtai City, Hebei Province 054000 Patentee before: XINGTAI ROAD & BRIDGE CONSTRUCTION GENERAL Co.,Ltd. |
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