长江下游马当河段瓜子号洲洲尾淤泥质岸坡滑坡处理措施

摘要

During the construction process of Guazihao sandbar revetment in Madang reach of the lower Yangtze River,it was found that the banks in the section 35+53.74~36+3.4636+75.62~38+19.71 at the end of the sandbar were the silt banks.Because of continuous rain days,the surface water oozed from the back of packway in these sections,and the local landslide occurred.In this paper,the reason of the landslide was analyzed,and the landslide treatment measures for silt bank including additional drainage measure and the Reno Mattress structure were introduced.%长江下游马当河段瓜子号洲护坡施工过程中,发现洲尾35+53.74～36+3.46、36+75.62～38+19.71段为淤泥质岸坡,由于连续多日雨水之后马道后方地面积水从该段渗出,局部出现滑坡.文章分析了滑坡形成原因,介绍了增设排水措施以及雷诺护垫护面结构等措施.