Volume 14, Issue 4 (December 1991)

    Effects of Back Pressure on Geotextile Transmissivity Tests


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    To evaluate the effects of back pressure on the measurements of geotextile in-plane transmissivity, a new test device has been developed. A series of transmissivity tests were performed under back pressures ranging from 6.9 to 414 kPa. Results show that the influence of back pressure is significantly less than that caused by the variability among different specimens. However, to obtain repeatable results and to conduct the tests efficiently, it is strongly recommended using deaired water and to flush the specimen before testing.

    Author Information:

    Huang, A-B
    Assistant professor, Clarkson University, Potsdam, NY

    Holtz, RD
    Professor, University of Washington, Seattle, WA

    Wilcox, AM
    Civil engineer, LaBella Associates, Rochester, NY

    Stock #: GTJ10207J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10207J

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    Title Effects of Back Pressure on Geotextile Transmissivity Tests
    Symposium , 0000-00-00
    Committee D18