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在对卧虎山大坝防渗处理的必要性进行分析论证中,经过方案比选,确定采用在上游坝面铺设复合土工膜的方案。115.0m平台以下的坝体和坝基覆盖层采用混凝土防渗墙处理,在靠近河床左岸与河床右岸的防渗墙下接灌浆帷幕,帷幕左端与溢洪道铺盖齿墙下的帷幕相接,右端深入坝右岸山体,坝面复合土工膜、防渗墙和灌浆帷幕紧密连接,形成完整的防渗体系。
During the analysis and demonstration of the necessity of anti-seepage treatment of the Crouching Tiger Hill Dam, the plan of laying composite geomembrane on the upstream dam surface is confirmed through comparison and selection of plans. Below the 115.0m platform, the dam body and dam foundation cover are treated with concrete cutoff wall, and the grouting curtain is connected under the cutoff wall near the left bank and the right bank of the riverbed. The left end of the curtain is connected with the curtain under the tooth cover of spillway cover. The right bank of the mountain, dam composite geomembrane, cut-off wall and grouting curtains closely connected to form a complete anti-seepage system.