上海市东临东海,南靠杭州湾北侧,北依长江。海塘工程是关系到国民经济发展和人民生命财产安全的重要防汛设施。本市海塘总长508.27km,建有丁坝44.51km,顺坝53.84km。由于其所处地理位置的原因,每年夏秋之季常受台风的侵袭。当台风、高潮、暴雨三碰头局面出现时,有可能造成海塘不同程度的损坏,甚至造成海塘溃决。2000年“派比安”、“桑美”台风侵袭上海 East of Shanghai East China Sea, south of Hangzhou Bay on the north side of the Yangtze River. Seawater project is an important flood control facility that is related to the development of national economy and the safety of people’s lives and property. The city’s total length of 508.27km seawall, built a small dam 44.51km, Shun dam 53.84km. Due to its geographical location, the annual summer and fall season is often hit by a typhoon. When a typhoon, orgasm or storm three meet, the seawall may be damaged to different degrees or even lead to a seawall collapse. In 2000, “Pirates of the Caribbean”, “Sangmei” Typhoon invaded Shanghai