塑性混凝土防渗墙在山西万家寨引黄工程北干线大梁水库左右坝肩防渗中的应用

大梁水库是万家寨引黄工程北干线上的调节水库中最重要的一座。水库防渗层主要靠库区第三系N2红黏土层,由于红黏土层分布不均,左右坝肩存在N2红黏土局部缺失和湿陷变形,造成右岸向井西煤矿采空区产生永久渗漏和左岸邻谷渗漏问题。为减小水库渗漏损失及渗透破坏,在水库左、右岸采取塑性混凝土防渗墙防渗,形成水库完整防渗体系。

Application of Plastic Concrete Diaphragm Wall for Controlling Seepage on Both Right and Left Dam Abutment of the Daliang Reservoir in the North Main Line of the Wanjiazhai Yellow River Diversion Project

The Daliang Reservoir is one of the most important regulating reservoir in the North Main Line of the Wanjiazhai Yellow River Diversion Project. The Tertiary N2 red clay is its main impervious layer. But the local flaw and collapsible deformation of the red clay lead to seepage in both right and left bank. In order to reduce the seepage loss and penetration destroy, the plastic concrete diaphragm wall is constructed on the both banks, which builds up the complete impervious system.