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Comparison of the effects of testing conditions and chemical exposure on geomembranes using the comprehensive testing system

机译:使用综合测试系统比较测试条件和化学暴露对土工膜的影响

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Chemical compatibility tests were conducted on high-density polyethylene geomembrane samples using the Comprehensive Testing System (CTS) under low- and high-displacement conditions. CTS development between the two sets of data (low- and high-displacement) was found to significantly reduce the friction within the testing cell. This friction reduction was apparent from the decrease in delta modulus from the larger values obtained during low-displacement testing to the smaller values obtained during high-displacement testing. The results of the high-displacement testing showed statistically significant differences between delta modulus results at the 95% confidence interval (probability = 0.050), which was not possible with the low-displacement test configuration. Further, the high-displacement testing showed that the more soluble the test chemical was in polyethylene, the lower the resulting delta modulus. (C) 1998 John Wiley & Sons, Inc. [References: 23]
机译:在低位移和高位移条件下,使用综合测试系统(CTS)对高密度聚乙烯土工膜样品进行了化学相容性测试。发现两组数据(低排量和高排量)之间的CTS发展显着降低了测试单元内的摩擦。从从低排量测试期间获得的较大值到高排量测试期间获得的较小值的增量模量的减小,可以明显看出这种摩擦减小。高位移测试的结果表明,在95%置信区间(概率= 0.050)下,Δ模量结果之间存在统计学上的显着差异,这在低位移测试配置下是不可能的。此外,高位移测试表明,测试化学品在聚乙烯中的溶解度越高,所得的Δ模量越低。 (C)1998 John Wiley&Sons,Inc. [参考:23]

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