摘要
渗流问题是水库建设中需解决的关键问题,采取合适的防渗措施非常重要。以某抽水蓄能电站下水库为例,基于渗流理论和有限元法,通过建立三维有限元模型,计算分析了下水库无防渗措施、采取不同防渗标准及不同防渗范围的防渗帷幕时坝址区的渗流场及渗透流量的变化。计算结果表明,设计防渗方案下防渗帷幕防渗效果显著,提高防渗标准和延长防渗范围的效果并不明显。综合各因素考虑,建议该水库采取原设计防渗方案。
Seepage problem is the key problem to be solved in reservoir construction,so it is very important to take appropriate anti-seepage measures.A lower reservoir of a pumped storage power station was taken as an example.Based on the seepage theory and finite element method,a three-dimensional finite element model was established to calculate the changes of seepage field and seepage discharge of the dam site area when the reservoir seepage control measures were taken different seepage control standards or seepage control range of anti-seepage curtain.The calculation results show that the anti-seepage effect of anti-seepage curtain is remarkable,but the effect of improving the anti-seepage standard and extending the anti-seepage scope is not obvious.Considering all these factors,it is suggested to adopt the original design anti-seepage scheme of the reservoir.
作者
徐丽
沈振中
杨金孟
XU Li;SHEN Zhen-zhong;YANG Jin-meng(College of Water Conservancy and Hydropower Engineering,Hohai University,Nanjing 210098,China)
出处
《水电能源科学》
北大核心
2021年第6期81-84,共4页
Water Resources and Power
基金
国家自然科学基金/雅砻江联合基金项目(U1765205)
江苏高校优势学科建设工程资助项目(水利工程)(YS11001)。
关键词
水库
混凝土重力坝
防渗帷幕
渗透流量
reservoir
concrete gravity dam
anti-seepage curtain
seepage discharge
