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为了解全库盘防渗复合土工膜的应力应变特性,结合新疆某山前倾斜平原全库盘防渗复合土工膜堆石坝,采用三维非线性有限元进行应力应变分析,并对库盘防渗复合土工膜进行了安全评价。由结果获得了竣工期和满蓄期水库防渗体系的应力应变分布规律和极值,可为工程设计提供依据,并提供行之有效的安全评价方法。
In order to understand the stress and strain characteristics of the seepage-proof geomembrane of the whole reservoir, combined with the seepage-proof composite geomembrane rockfill dam of the whole reservoir in Xinjiang before a dip plain, the three-dimensional nonlinear finite element method is used to analyze the stress and strain, Permeation composite geomembrane was safety evaluation. From the results, the stress and strain distribution rules and extreme values of the seepage control system during the completion and expiration periods are obtained, which can provide basis for engineering design and provide effective safety evaluation methods.