1 黄河临河堤脚现状黄河下游防洪大堤的堤脚,左、右两岸均不同程度地存在着串沟、坑塘积水的地势低洼现象,堤脚长期遭受浸泡,给黄河大堤的安全带来较大隐患。历史上,黄河大堤的决溢、改道、河槽的频繁摆动,使河床不同岩相沉积叠置、堆积。因此,黄河大堤堤基是座落 1 Present status of Yellow River embankment The embankment, left and right banks of the flood control embankment in the lower Yellow River are all characterized by the low lying phenomenon of tandem ditch and pit pond water, soaking the dyke soils for a long time and bringing the safety of the Yellow River embankment Big hidden trouble. Historically, the overflow of the Yellow River embankment, diversion, the frequent shaking of the river channel, so that the sedimentary deposition of different facies over the riverbed, accumulation. Therefore, the embankment of the Yellow River embankment is located