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江苏省海门县率先把水力冲挖机组应用于河道开挖疏浚、环境污染治理等方面后,又作了新的探索,直接用于长江堤岸加固培修工程,并取得成功。海门县滨江临海,长江干堤总长47.7km,海堤12.5km。目前现有堤防顶高程为7.8～8.2m,顶宽4m,根据安全标准,堤岸顶高程应达到9m,顶宽5m。为此,这个县按计划从1991年年初开始实施江堤加固达标工程,并全部采用水力冲挖机组作业。到3月底,共出动10
Haimen County, Jiangsu Province took the lead in the hydraulic excavation unit used in river excavation dredging, environmental pollution control and other aspects, but also made a new exploration, the Yangtze River embankment reinforcement training project directly, and achieved success. Haimen Binhai Linhai, the Yangtze River embankment total length of 47.7km, seawall 12.5km. At present, the existing embankment top elevation of 7.8 ~ 8.2m, top width 4m, according to safety standards, embankment elevation should reach 9m, top width of 5m. To this end, the county according to plan from the beginning of 1991 to implement the embankment reinforcement project, and all the hydraulic excavation crew operations. To the end of March, a total of 10 outings