A study on soil-geotextile interaction using gradient ratio tests
2019
Anna Miszkowska
Nonwoven geotextile have been widely used for filtration. In this paper, the clogging potential for a soil-geotextile system were assessed using laboratory tests. An ASTM modified gradient ratio test device was used to determine gradient ratio as well as soil-gradient ratio. One type of nonwoven geotextile and soil were used to simulate the conditions in drainage system. The obtained results indicate that the gradient ratio and soil-gradient ratio increases with time because of clogging mechanism. However, the tested geotextile can be used as fi lter for soil with fine content of 20%.
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