白鹤滩水电站大坝上游高土石围堰设计
wf（2018）
Abstract
白鹤滩水电站上游围堰高83 m,采用复合土工膜斜墙+塑性混凝土防渗墙的防渗形式,土工膜挡水水头40.58 m,防渗墙最大深度56 m.通过渗流及稳定分析,以及两个汛期的考验表明,围堰运行情况良好,上、下游边坡稳定安全,为大坝浇筑、水垫塘等基坑内工作面正常施工提供了保障.
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Key words
cofferdam,geomembrane,seepage prevention system,seepage and slope stability analysis,Baihetan Hydropower Station
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