Pavement deflection-resistant permeable pavement

By introducing structures such as geotextile, large-particle crushed stone layer and water-conducting holes into the permeable pavement, the problem of insufficient permeability of the subgrade layer is solved, realizing the design of a permeable pavement that resists flexural settling and improving the drainage and bearing capacity of the pavement.

CN223522932UActive Publication Date: 2025-11-07GUANGDONG FUCHENG CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202423126412.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-11-07
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

The existing permeable pavement has poor permeability of the subgrade layer under heavy rain conditions, which leads to rainwater accumulation, affects the load-bearing capacity of the pavement, and causes deflection.

Method used

The road surface is constructed by laying geotextile and large-particle crushed stone layers on the subgrade, combined with permeable concrete layers and curb stones, setting water guide holes and inclined surfaces, and using mesh covers to prevent clogging, thereby improving the road surface drainage performance and stability.

Benefits of technology

By rapidly draining water and improving the stability of the subgrade layer, pavement deflection is prevented, ensuring that the pavement remains stable and passable during heavy rain.

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Abstract

The utility model relates to the technical field of permeable pavements, and discloses a pavement deflection-resistant permeable pavement, which is characterized in that geotechnical cloth is paved on the top of a foundation soil layer, a large-particle gravel layer is paved on the geotechnical cloth, and a permeable concrete layer is paved on the large-particle gravel layer; by laying the geotechnical cloth, the foundation soil layer and the large-particle gravel layer can be separated, it can be guaranteed that rainwater is rapidly discharged through the large-particle gravel layer, the stability of the foundation soil layer can be improved through the geotechnical cloth, and therefore the bending resistance of the pavement is improved; rainwater permeates into the large-particle gravel layer through the permeable concrete layer and then is discharged outwards through the water guide holes, so that the drainage performance of the pavement is improved, and the situation that the pavement is bent and deformed and the use effect of the pavement is affected due to long-time water accumulation of the foundation soil layer can be prevented through the arrangement of the inclined plane on the foundation soil layer; and through the arrangement of the net cover plate, the water guide holes can be prevented from being blocked when the road is paved, so that the drainage effect of the water guide holes is not influenced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to water permeable pavement technical field, concretely is a kind of water permeable pavement of anti pavement deflection. BACKGROUND

[0002] Water permeable pavement refers to the pavement with water permeability, which can effectively eliminate the water accumulation phenomenon on the road and square during the rainfall, and also can make the rainwater quickly penetrate into the underground, restore the underground water, maintain the soil humidity and ecological balance of underground water and soil. In the prior art, the water permeable pavement mainly includes a water permeable layer, a gravel layer and a base soil layer arranged from top to bottom, wherein the water permeable layer is usually a water permeable concrete layer, which utilizes the water permeability of the water permeable concrete layer to drain the rainwater on the pavement; the drained rainwater penetrates into the base soil layer after being filtered by the gravel layer and finally enters the underground water.

[0003] The water permeable layer and the gravel layer of the water permeable pavement have good water permeability, but the water permeability of the base soil layer is relatively weak, and only relies on the penetration to complete the drainage. In the case of heavy rain, the rainwater in the base soil layer will accumulate, which will affect the load-bearing performance of the entire water permeable pavement for a long time, resulting in the deflection of the water permeable pavement due to the load. Therefore, the water permeable pavement with anti-pavement deflection is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of water permeable pavement of anti pavement deflection, to solve the problem that the water permeable layer and the gravel layer of the water permeable pavement have good water permeability, but the water permeability of the base soil layer is relatively weak, and only relies on the penetration to complete the drainage. In the case of heavy rain, the rainwater in the base soil layer will accumulate, which will affect the load-bearing performance of the entire water permeable pavement for a long time, resulting in the deflection of the water permeable pavement due to the load.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of water permeable pavement of anti pavement deflection, comprising

[0006] a base soil layer, a stable assembly is arranged above the base soil layer, a geotextile is arranged on the top of the base soil layer, a large-particle gravel layer is arranged above the geotextile, and a water permeable concrete layer is arranged above the large-particle gravel layer.

[0007] The stable assembly includes a curbstone, the curbstone is arranged on the top of the base soil layer, and a drainage assembly is arranged on the curbstone.

[0008] As preferred, the drainage assembly includes a mesh cover plate, a plurality of water guide holes are formed in one side of the curbstone, a mounting groove is formed in the outer side of the water guide hole on the curbstone, and the mesh cover plate is mounted in the mounting groove.

[0009] Preferably, the top of the base soil layer is provided with an inclined surface, and a plurality of water infiltration holes are formed in the base soil layer.

[0010] Preferably, the water guide hole is inclined, and the included angle between the water guide hole and the horizontal plane is three degrees.

[0011] Preferably, the side edge of the inclined surface is located below the water guide hole.

[0012] Preferably, the geotextile, the large-grained gravel layer and the pervious concrete layer are all located on the inner side of the curbstone.

[0013] Preferably, the height of the curbstone is greater than the height of the pervious concrete layer.

[0014] Compared with the prior art, the utility model has the following technical effects: the base soil layer and the large-grained gravel layer are separated by laying the geotextile, rainwater can be quickly discharged through the large-grained gravel layer, the stability of the base soil layer is improved by the geotextile, and the bending resistance of the road surface is improved; rainwater penetrates into the large-grained gravel layer through the pervious concrete layer, and is then discharged outward through the water guide hole, so that the drainage performance of the road surface is improved; the inclined surface on the base soil layer prevents the base soil layer from being waterlogged for a long time, so that the road surface is deformed and the use effect of the road surface is affected; the mesh cover plate prevents the water guide hole from being blocked during road paving, so that the drainage effect of the water guide hole is affected. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a water infiltration hole structure schematic diagram of the utility model;

[0018] Figure 3 It is a cross-sectional structure schematic diagram of the utility model;

[0019] Figure 4 It is a bottom structure schematic diagram of the utility model;

[0020] Figure 5 It is a mesh cover plate structure schematic diagram of the utility model.

[0021] Explanation of reference signs: 1, base soil layer; 2, road curb stone; 3, geotextile; 4, large particle gravel layer; 5, pervious concrete layer; 6, water guide hole; 7, mounting groove; 8, net cover plate; 9, water seepage hole; 10, inclined surface. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0023] It should be understood that the structures, proportions, sizes, etc. shown in the drawings of the present application are only used to understand and read the disclosed content by those skilled in the art, and are not used to limit the conditions of implementation of the present application, and therefore do not have substantial technical significance. Any modification of structure, change of proportion relationship or adjustment of size, which does not affect the effects and purposes that can be achieved by the present application, should still fall within the scope of the disclosed technical content.

[0024] EMBODIMENT

[0025] In the prior art, the water permeable layer and the gravel layer of the water permeable pavement have good water permeability, but the water permeability of the base soil layer is relatively weak, and can only rely on seepage to complete drainage. In the case of heavy rain, rainwater will accumulate in the base soil layer, which will affect the bearing capacity of the water permeable pavement as a whole for a long time, causing the water permeable pavement to bend due to the bearing capacity.

[0026] Please refer to Figures 1-5 The present application provides a technical solution: an anti-pavement bending water permeable pavement, comprising a base soil layer 1, a stable assembly is arranged above the base soil layer 1, a geotextile 3 is laid on the top of the base soil layer 1, and a large particle gravel layer 4 is laid above the geotextile 3. By laying the geotextile 3, the base soil layer 1 and the large particle gravel layer 4 can be separated, which can ensure that the rainwater is quickly discharged through the large particle gravel layer 4, and the geotextile 3 can improve the stability of the base soil layer 1, thereby improving the bending resistance of the pavement; a pervious concrete layer 5 is laid above the large particle gravel layer 4; by arranging the pervious concrete layer 5 and the large particle gravel layer 4, the water flow on the pavement can be quickly permeated, and water accumulation on the pavement can be prevented, thereby affecting the walking of personnel in rainy days;

[0027] The stable assembly comprises a curb stone 2 laid on the top of the base soil layer 1, a drainage assembly arranged on the curb stone 2, a geotextile 3, a large-grained gravel layer 4 and a pervious concrete layer 5 arranged on the inner side of the curb stone 2, and the height of the curb stone 2 is greater than the height of the pervious concrete layer 5.

[0028] In order to improve the drainage performance of the base soil layer 1, the drainage assembly comprises a mesh cover plate 8, a plurality of water guide holes 6 are arranged on one side of the curb stone 2, rainwater penetrates through the pervious concrete layer 5 to the large-grained gravel layer 4, and then is discharged outward through the water guide holes 6, so as to improve the drainage performance of the road surface; a mounting groove 7 is arranged on the outer side of the water guide hole 6 on the curb stone 2, and the mesh cover plate 8 is arranged in the mounting groove 7; the arrangement of the mesh cover plate 8 can prevent the water guide hole 6 from being blocked during the paving of the road, so as to affect the drainage effect of the water guide hole 6.

[0029] An inclined surface 10 is arranged on the top of the base soil layer 1, the side of the inclined surface 10 is arranged below the water guide hole 6, the water guide hole 6 is arranged in an inclined manner, and the included angle between the water guide hole 6 and the horizontal plane is three degrees; rainwater penetrates through the pervious concrete layer 5 to the large-grained gravel layer 4, and then is discharged outward through the water guide hole 6, so as to improve the drainage performance of the road surface; moreover, the arrangement of the inclined surface 10 on the base soil layer 1 can prevent the base soil layer 1 from being waterlogged for a long time, so as to cause the road surface to be bent and deformed, and affect the use effect of the road surface.

[0030] A plurality of water penetration holes 9 are arranged on the base soil layer 1, which can help to improve the drainage effect of the base soil layer 1.

[0031] The working principle or structural principle is that the arrangement of the pervious concrete layer 5 and the large-grained gravel layer 4 can ensure that the water flow on the road surface penetrates quickly, so as to prevent the road surface from being waterlogged, thereby affecting the walking of personnel in rainy days; the arrangement of the geotextile 3 can separate the base soil layer 1 and the large-grained gravel layer 4, so as to ensure that rainwater is discharged quickly through the large-grained gravel layer 4, and the geotextile 3 can improve the stability of the base soil layer 1, so as to improve the bending resistance of the road surface; rainwater penetrates through the pervious concrete layer 5 to the large-grained gravel layer 4, and then is discharged outward through the water guide hole 6, so as to improve the drainage performance of the road surface; moreover, the arrangement of the inclined surface 10 on the base soil layer 1 can prevent the base soil layer 1 from being waterlogged for a long time, so as to cause the road surface to be bent and deformed, and affect the use effect of the road surface; the water penetration hole 9 can help to improve the drainage effect of the base soil layer 1; the arrangement of the mesh cover plate 8 can prevent the water guide hole 6 from being blocked during the paving of the road, so as to affect the drainage effect of the water guide hole 6.

[0032] The embodiments of the present application have been described in detail with reference to the drawings. It should be noted that the implementation manners not shown or described in the drawings or the specification are known to those skilled in the art, and are not described in detail. In addition, the definition of each component described above is not limited to the specific structure, shape or manner mentioned in the embodiments, and those skilled in the art can make simple changes or replacements.

[0033] Those skilled in the art can understand that the features described in various embodiments and / or claims of the present application can be combined or / and integrated, even if such combination or integration is not explicitly described in the present application. In particular, the features described in various embodiments and / or claims of the present application can be combined and / or integrated in various ways without departing from the spirit and teachings of the present application. All these combinations and / or integrations fall within the scope of the present application.

[0034] The above specific embodiments further illustrate the purpose, technical solutions and advantages of the present application. It should be understood that the above description is only for specific embodiments of the present application and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A permeable pavement with resistance to rutting, characterized by: Comprising A base soil layer (1) is provided with a stabilizing assembly above, the top of the base soil layer (1) is paved with a geotextile (3), the geotextile (3) is paved with a large-grained gravel layer (4) above, the large-grained gravel layer (4) is paved with a pervious concrete layer (5) above. The stabilizing assembly comprises a curbstone (2) paved on the top of the base soil layer (1), and a drainage assembly is arranged on the curbstone (2).

2. The anti-rut and deflection permeable pavement according to claim 1, wherein: The drainage assembly comprises a mesh cover plate (8), a plurality of water guide holes (6) are formed on one side of the curbstone (2), and a mounting groove (7) is formed on the curbstone (2) outside the water guide hole (6), and the mesh cover plate (8) is mounted in the mounting groove (7).

3. The anti-rut and deflection permeable pavement according to claim 2, wherein: An inclined surface (10) is arranged on the top of the base soil layer (1), and a plurality of water seepage holes (9) are formed on the base soil layer (1).

4. The anti-rut and deflection permeable pavement according to claim 3, wherein: The water guide hole (6) is arranged obliquely, and the included angle between the water guide hole (6) and the horizontal plane is three degrees.

5. The anti-rut and deflection permeable pavement according to claim 3, wherein: The side of the inclined surface (10) is below the water guide hole (6).

6. The anti-rut and deflection permeable pavement according to claim 1, wherein: The geotextile (3), the large-grained gravel layer (4) and the pervious concrete layer (5) are all inside the curbstone (2).

7. The anti-rut and deflection permeable pavement according to claim 1, wherein: The height of the curbstone (2) is greater than the height of the pervious concrete layer (5).