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Cold temperature testing of geotextiles: new, and containing soil fines and moisture

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A test program examined the behavior of geotextiles at very low temperatures, and tested the hypothesis that the presence of soil fines and moisture would result in decreased strength values compared with geotextiles at cold temperatures. Wide-width strip tensile and static puncture tests were performed on needle-punched nonwoven polypropylene geotextiles at 20°, 0°, –20°, –40° and –54°C for the wide-width strip tests and at –51°C for the puncture tests on new specimens and specimens that contained soil and moisture. At all sub-freezing temperatures, the specimens that contained ice and soil were much stronger and more brittle in tension than the new specimens. Soil and moisture did not significantly influence puncture strength.

  • Keywords: Geosynthetics; Static puncture; Sub-freezing temperatures; Wide-width strip tensile tests; Nonwoven polypropylene geotextiles
  • Document Type: Research Article
  • DOI: 10.1680/gein.2007.14.5.320
  • Affiliations: 1: 1US Army Engineer Research and Development Center, Cold Regions Research and Engineering Laboratory Hanover, NH 03755, USA Telephone: +1 603 646 4188, Telefax: +1 603 646 4640, E-mail: Karen.S.Henry@erdc.usace.army.mil; 2: 2US Army Engineer Research and Development Center, Cold Regions Research and Engineering Laboratory Hanover, NH 03 755, USA Telephone: 1 603 646 4444, Telefax: +1 603 646 4640, E-mail: Glenn.D.Durell@erdc.usace.army.mil
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