无纺土工织物等效孔径测定方法分析

Analysis of nonwoven geotextiles equivalent aperture determination method

在调研国内外多种等效孔径的测定方法基础上,对现有各标准中测试等效孔径方法的优势、存在的问题、适用范围进行了分析和总结,并通过干筛法与湿筛法,干筛法与气泡法的对比试验,对试验结果进行了比较与分析,为等效孔径测定方法的选用提供指导。

Based on the investigation of the equivalent aperture determination method at home and abroad,the advantage of test equivalent aperture methods,the existing problems,suitable scope were analyzed and summarized,and through the contrast test of dry screening method and wet-screened method,dry screening method and bubble method,the experimental results were compared and analyzed,it has provided guidance for the selection of equivalent aperture determination method.