Volume 20, Issue 4 (December 1997)

    A Circular Arc Test for Soil-Geosynthetic Interface Strength

    CODEN: GTJOAD

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    Abstract

    A circular arc test is described for determining the residual, or constant volume, interface strength parameters between soil and geosynthetics. The model is based on the variation of tension in a circular arc of fabric placed over a soil specimen and dead-loaded on two ends. The test method is simple and boundary conditions are well defined. The apparatus, theoretical formulation, and testing procedures are presented. The interface friction angle between dry Muskegon sand and three different materials: a cotton fabric, a fiber-glass mesh, and a nonwoven Geolon N35 filter, as determined by the circular arc test, are presented. Results of a staged circular arc test are also presented for the cotton fabric, and comparison to direct shear test results is made.


    Author Information:

    Ghiassian, H
    Graduate student and research assistant, University of Michigan, Ann Arbor, MI

    Hryciw, RD
    Associate professor and professor, University of Michigan, Ann Arbor, MI

    Gray, DH
    Associate professor and professor, University of Michigan, Ann Arbor, MI


    Stock #: GTJ10407J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10407J

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    Author
    Title A Circular Arc Test for Soil-Geosynthetic Interface Strength
    Symposium , 0000-00-00
    Committee D18