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安徽省芜湖市地处长江中下游,是座具有二千多年历史的古城,也是有名的水陆交通要塞。城市排水有着比较长的历史,明末清初的下水道至今仍使用着。解放后,随着社会主义建设事业的蓬勃发展,排水工程的相继兴建,下水道纵横交错,遍及全市大街小巷。由于工程是在不同年代逐步建成的,所以,管渠形式混杂,管径、流向非常乱。多年来,由于地下排水管线情况不清,给城市建设和管理带来了很大的困难,常常出现在施工中切断污水管,发生淤塞又不能及时处理,致使市区部分地段内涝水淹现象时有发生,有碍市容
Wuhu City, Anhui Province is located in the middle and lower reaches of the Yangtze River, is the seat with more than 2,000 years of history of the ancient city, is also well-known water and land transportation fortress. Urban drainage has a long history, the late Ming and early Qing sewers are still in use. After the liberation, with the vigorous development of the cause of socialist construction and the successive construction of drainage projects, the sewers are criss-crossing each other in the streets and lanes of the whole city. Due to the gradual completion of projects in different age groups, the form of pipe ditches is mixed and the pipe diameter and flow direction are very chaotic. Over the years, due to the unclear underground drainage pipelines, great difficulties have been brought to the construction and management of the city. Sewage pipes are often cut off during construction and can not be disposed of in a timely manner. As a result, Has happened, hinder the city