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随着城市的发展,不透水地面面积不断增加,雨水径流量也相应增加。雨水是宝贵水资源,应通过渗透等方式充分利用雨水以涵养地下水、调节城市生态环境后,再使用雨水管系将剩余径流安全、合理地排除。对各种雨水渗透设施及其选址、堵塞、污染控制等问题作了简略论述。
With the development of the city, the impervious surface area increases continuously and the rainfall runoff also increases accordingly. Rainwater is a precious water resource. Rainwater should be fully utilized by means of infiltration to conserve groundwater. After regulating the urban ecological environment, rainwater pipes should be used to safely and reasonably exclude the remaining runoff. Various kinds of rainwater infiltration facilities and its location, blockage, pollution control and other issues made a brief discussion.