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AGING CHARACTERISTICS OF COMPOSITE GEOMEMBRANE AND VARIATION OF TENSILE STRENGTH
Author(s): 
Pages: 45-48
Year: Issue:  6
Journal: DAM OBSERVATION AND GEOTECHNICAL TESTS

Keyword:  复合土工膜自然老化模拟覆盖法抗拉强度工作应变;
Abstract: 复合土工膜作为一种新型的防渗材料,在当今水利工程中已得到相当广泛的应用.针对当前人们极为关注的老化问题,采用模拟覆盖法对其自然老化特性进行研究.通过不同时期的试验,取得了极其宝贵的数据,对这些数据进行数学上的拟合处理,得到复合土工膜强度随时间变化的数学表达式,从而求出复合土工膜在工作应变范围内强度随时间变化的规律,为老化特性的研究和工程设计提供可靠的依据.
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