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堤河串沟过流是下游防洪中一个值得关注的问题。因为稍有不慎,它可能会导致夺流、改道,危及大堤安全,甚至决口成灾。下面就1982年8月洪水中出现的两处堤河加以分析,以期对堤河夺流的危害、条件以及防患等问题有所启示。贯孟堤溃决情况。8月4日3时左右,洪峰到达夹河滩和东坝头,贯孟堤堤根偎水深约3米,距堤端11.8公里的董寨闸右侧土石结合部发现渗漏,经堵无效,发展到溃决,董寨闸全部被冲垮。据初步调查,
Overflow of dikes and bank dikes is a concern in downstream flood control. Because of some slightest mistake, it may lead to capture and diversion, endanger the safety of the dike, and even burst into disasters. Here are two August 1982 floods appear in the dike to be analyzed, with a view to the river embankment hazards, conditions and preventive measures and other implications. Gu Meng Meng dike situation. At about 3 o’clock on the August 4, the flood peak reached Jiahe Beach and Dongba Head. The water level of the Tongmengti embankment was about 3 meters deep, and the seepage was found at the junction of the earth and stone on the right side of the Dongzha gate, 11.8 kilometers away from the embankment, To the verdict, Dongzhaizha all washed away. According to preliminary investigation,