堆石坝悬挂式防渗墙应力变形分析

Stress deformation analysis on suspended cut-off wall of rockfill dam

防渗墙应力变形分析对保证大坝的安全稳定运行具有重要意义。文章以辽宁省赵家堡子水电站为例,利用数值模拟研究的方法,研究了悬挂式防渗墙在运行期的力学位移特征。结果显示,在施工运行期间大坝防渗墙整体安全,仅在0+154 m断面顶部存在一定的拉裂破坏危险,建议加强日常巡查,对出现的问题及时补救。

The stress and deformation analysis of the impermeable wall is of great significance to ensure the safe and stable operation of the dam.Taking Zhaojiapuzi Hydropower Station in Liaoning Province as an example,this paper studies the mechanical displacement characteristics of the hanging cutoff wall during operation by using the method of numerical simulation.The results show that during the construction and operation of the dam seepage wall,the overall safety,only at the 0+154 m section top there is a certain risk of cracking damage,it is suggested to strengthen the daily inspection,to timely remedy the problems.