论文部分内容阅读
1工程概况河南省临淮岗淹没影响处理工程是水利部临淮岗洪水控制工程的重要组成部分,位于河南省信阳市固始县沿淮地区,淹没影响区总面积306km~2,居住人口20．9万人。主要建设内容为堤防工程、闸、泵站工程、险工工程、撤退道路工程等。其中为了增加堤防的抗渗性,对部分砂基堤防设截渗墙进行防渗处理,截渗墙工程全长16902m,平均截渗深度4～6m,工程共计11处,其中史灌河堤防2处、泉河堤防7处、潘家沟堤防2处。2施工技术截渗墙工程施工工艺流程如图所示。
1 Project Overview The Linhigang submerged impact treatment project in Henan Province is an important part of the Linhuaigang Flood Control Project of the Ministry of Water Resources. It is located in the Huaihe-Huaihe area of Gushi County in Xinyang City, Henan Province. The total flooded area is 306km ~ 2 with a population of 20 .9 million people. The main construction content for the embankment works, gates, pumping station engineering, engineering work, retreat road works. Among them, in order to increase the impermeability of embankments, part of the sand-based embankment is designed to prevent seepage. The total length of the cut-off wall is 16902m and the average seepage depth is 4 ~ 6m. There are 11 projects in total, including 2 Department, Stephen River embankment 7, 2 Panjiagou embankment. 2 Construction Technology Cut-off wall construction process as shown.