Long-term clogging behavior of non-woven geotextiles with silty and gap-graded sands

Shobha K Bhatia, Saad Qureshi, Robert M. Kogler

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations


Non-woven geotextiles are generally used for the protection of synthetic liners in sanitary landfills. In this application the geotextiles perform as a filter and drain for the leachate collection system. Since geotextiles play a major role in landfill design, they should be properly selected to obviate any clogging problems. Filtration criterion for the non-woven geotextiles are still evolving. The existing filter criteria are not applicable for silty and gap-graded soils. In this paper, the results are presented for six different non-woven geotextiles which are tested with eighteen different gap-graded soils to evaluate long-term filtration behaviors. Microstructure analysis results are provided for a better understanding of the clogging mechanism of non-woven geotextiles.

Original languageEnglish (US)
Title of host publicationASTM Special Technical Publication
EditorsRobert M. Koerner
PublisherPubl by ASTM
Number of pages14
StatePublished - 1990
EventGeosynthetic Testing for Waste Containment Applications - Las Vegas, NV, USA
Duration: Jan 23 1990Jan 23 1990


OtherGeosynthetic Testing for Waste Containment Applications
CityLas Vegas, NV, USA


ASJC Scopus subject areas

  • Engineering(all)

Cite this

Bhatia, S. K., Qureshi, S., & Kogler, R. M. (1990). Long-term clogging behavior of non-woven geotextiles with silty and gap-graded sands. In R. M. Koerner (Ed.), ASTM Special Technical Publication (1081 ed., pp. 285-298). Publ by ASTM.