【摘要】 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更多还原

【Abstract】 Quantity of storm water runoff in urban area increases along with the expansion of impermeable land surface in construction. Storm water might be one of valuable water resources. Runoff should be used to conserve groundwater and to improve ecological environment at first, then be discharged rationally and safely into water bodies. In this paper, varieties of rainwater drainage systems, infiltration facilities and their suitability, site selection, clog and pollution problems are described.更多还原