Permeable pavement

Abstract

The invention discloses a permeable pavement (1) applied to road paving. The permeable pavement (1) mainly comprises a permeable surface layer (2) and a supporting layer (3) with water storage cavities (4) below the permeable surface layer (2). The large-capacity water storage cavities (4) can store and maintain a large amount of water infiltrated from the permeable surface layer (2), and has thefunction of buffering and draining water; the water stored under the pavement can slowly infiltrate underground and the pavement, the effects of supplementing underground water and moisturizing and cooling the pavement are achieved, the test of medium and large rainstorm can be met, and rainwater can also be collected and fully utilized.

Description

technical field [0001] The invention belongs to the technical field of road construction, and in particular relates to a water-permeable road surface with a water storage structure. Background technique [0002] At present, in urbanization construction, motor vehicle roads are mostly traditional asphalt and concrete roads. When it rains, road drainage is usually discharged into the municipal pipe network through rain grates set on the roadside, which brings a Series of problems: 1. When there is concentrated rainfall in a short period of time, a large amount of rainwater can only be discharged into the river through the drainage facilities, which greatly increases the burden on the drainage facilities; 2. The rainwater that can seep into the ground is significantly reduced, resulting in a sharp drop in the groundwater level. Industrial production and modern life have doubled the amount of groundwater extraction; lack of water in the soil, lack of oxygen, and rising ground te...

AI Technical Summary

Problems solved by technology

[0002] At present, in urbanization construction, motor vehicle roads are mostly traditional asphalt and concrete roads. When it rains, road drainage is usually discharged into the municipal pipe network through rain grates set on the roadside, which brings a Series of problems: 1. When there is concentrated rainfall in a short period of time, a large amount of rainwater can only be discharged into the river through the drainage facilities, which greatly increases the burden on the drainage facilities; 2. The rainwater that can seep into the ground is significantly reduced, resulting in a sharp drop in the groundwater level. Industrial production and modern life have doubled the amount of groundwater extraction; lack of water in the soil, lack of oxygen, and rising ground temperature, etc., so It directly affects the health of urban vegetation and further exacerbates the city's drought and water shortage problems; 3. It is difficult for impermeable roads to exchange heat and humidity with the air, and it is easy to produce the "heat island effect", which makes the internal temperature of the city too high. climate deterioration

[0003] In the existing road pavement structure, although the problems of water storage, drainage and soil water supply can be solved to a certain extent, they all have the defects of single water storage method and poor water storage capacity, which cannot meet the test of medium and large rainstorms.

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