GOST R 57028-2016 土工合成材料和土工合成相关产品. 特定压力下厚度的测定方法. 第2部分. 多层产品每层厚度的测定
Geosynthetics and geosynthetic-related products. Method for determination of thickness at specified pressures. Part 2. Determination of thickness of single layers of multilayer products