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本文通过不同的测试方法，给出了有压条件下土工膜的厚度一压力值以及垂直和水平渗透特性试验对比值，提出了可用卡尺法代替厚度试验仪法来测量土工膜厚度，并用多层试样法来测试土工膜试样的水平渗透特性的简捷方法．
In this paper, the test values of thickness-pressure of geomembrane and the comparison of vertical and horizontal infiltration characteristics under pressure are given. The caliper method is used to measure the thickness of geomembrane instead of thickness tester, Sample method to test the horizontal penetration of geomembrane sample a simple method.