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生活在城市中的每个人,似乎都有过这样的体会:当一次持续的倾盆大雨降临后,免不了会有一些地方出现积水,影响人们的生活、工作。有些低洼区域的积水甚至会持续一段时间,城市排水设施的重要性毋庸多言。1实施城市的排水设施不仅受资金、技术、材料因素的影响,与城市的地理环境也有很大的关系。开埠前的上海老城,四通八达的河道沟渠为排水提供了保障,除非遇到持续大雨或暴雨。开埠后,英美法租界的出现,城市化进程开始逐步展开,以种植
Everyone living in the city seems to have had the impression that after a continuous torrential rain comes, there will inevitably be some areas where stagnant water will affect people's lives and work. The accumulated water in some low-lying areas can last for some time, and the importance of urban drainage facilities goes without saying. 1 The implementation of urban drainage facilities is not only affected by financial, technical and material factors, but also has a great relationship with the urban geography. The old Shanghai city before the port opened, river channels and ditches extending in all directions to provide drainage protection, unless there is sustained heavy rain or heavy rain. After the opening of ports, the appearance of the British-American French Concession, the process of urbanization began to gradually be expanded