Standard test method for determining the internal and interface shear resistance of geosynthetic clay liner by the direct shear method 通过直接剪切方法对土工合成粘土衬里的内部和界面剪切抗性测定的标准试验方法
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Standard test method for determining the coefficient of soil and geosynthetic or geosynthetic and geosynthetic friction by the direct shear method 用直接剪力法测定土壤与土工合成物或土工合成物之间摩擦系数的标准试验方法