Decontaminating and water-permeable pavement system

Abstract

The invention belongs to the technical field of water-permeable pavements and particularly discloses a decontaminating and water-permeable pavement system. The structure of the decontaminating and water-permeable pavement system from top to bottom is as follows separately: a water-permeable layer is used for rapidly permeating and draining rainwater or accumulated water of a pavement and can temporarily store rainwater which is not drained by the water-permeable layer; a leveling layer is a structural layer which is used for carrying out buffering and permeating water, and a leveling, strengthening and reinforcing system structure is arranged on an oil suction cushion layer; the oil suction cushion layer is used for adsorbing and removing oil stains from runoff, so that the oil stains cannot block up water-permeable channels or permeate underground; the oil suction cushion layer can be replaced with a pollutant suction cushion layer, or the oil suction cushion layer and the pollutant suction cushion layer are used in a merged manner, and the oil suction cushion layer is located above the pollutant suction cushion layer; the pollutant suction cushion layer is used for adsorbing and removing oil pollutants from the runoff; a water storage cushion layer is used for storing and diverting runoff rainwater. According to the decontaminating and water-permeable pavement system, the condition that the water-permeable channels are blocked up by the oil stains can be avoided, and the pollutants and particulate matters in permeated runoff can be filtered and purified. The decontaminating and water-permeable pavement system can be used for preventing the oil stains, nitrogen-phosphorus pollutants and various micro contaminants from entering underground and causing severe environmental pollution.

Description

technical field [0001] The invention belongs to the technical field of permeable pavement, and in particular relates to a decontamination permeable pavement system. Background technique [0002] With the development of urbanization, the original natural vegetation is constantly replaced by buildings and non-permeable hardened ground, which changes the natural permeable properties of natural soil vegetation and the underlying layer, thereby destroying the nature of water and air. original cycle. The hardened ground causes rainwater to be lost from the ground or evaporated by sunlight, blocking the way for precipitation to directly replenish groundwater; and it is easy to accumulate water on the road, reducing the comfort and safety of the road, resulting in frequent waterlogging in rainy seasons. [0003] In order to ensure sustainable development and develop urban rainwater utilization, permeable pavement systems have been more and more widely used in recent years. The per...

AI Technical Summary

Problems solved by technology

The current permeable pavement system only addresses the problem of water seepage on the road surface. It only sets up a permeable layer for infiltration, and cannot remove oil, nitrogen, phosphorus and other pollutants in the runoff. If the runoff passes through the existing permeable pavement, oil pollution, nitrogen and phosphorus Direct infiltration into the ground, causing serious environmental pollution problems

There is no effective solution in the existing technology

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