【摘要】 成都市排水设施规划建设三十年坚持污雨水分流体制,注重城市雨水管沟与城市排洪河道规划建设有机结合,充分利用地势条件降低防洪河道洪水位,为城市排涝创造条件,而雨水排放主要采用重力流方式,节约了大量能源、用地和资金。更多还原

【Abstract】 The sewage and rainwater separation system has been implemented in the planning and construction of drainage facilities in Chengdu City for 30 years. The system pays attention to the organic combination of urban rainwater pipeline and urban flooding discharge river in the planning and construction, and fullv utilizes the topographical condition to reduce the flooding level of flood control river. In order to create the condition for the flooding drainage of city, the rainwater discharge mainly uses the gravity flow method to economize lots of energy, land and fund.更多还原