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    Volume 20, Issue 3 (September 1997)

    Membrane Penetration in Granular Materials at High Pressures

    Published Online: 2014

    CODEN: GTJODJ

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    Abstract

    The Roscoe dummy-rod method was employed to determine the influence of membrane penetration over a large pressure range for Cambria sand. Specimens with three different initial relative densities were subjected to increasing isotropic confining pressures, up to a maximum stress of 60 MPa. A relationship between effective confining pressure and volume change due to membrane penetration was established. Results indicate that above a confining pressure of approximately 8 MPa, membrane penetration decreases with increasing confining pressure. This is believed to be a function of particle crushing. It was also found that over a large pressure range initial relative density influences the degree of membrane penetration.


    Author Information:

    Bopp, Paul A.
    Principal geotechnical engineer, Silverado Construction, Irvine, CA

    Lade, Poul V.
    Professor, Department of Civil Engineering, The Johns Hopkins University, Baltimore, MD


    Stock #: GTJ19970002

    ISSN:0149-6115

    DOI: 10.1520/GTJ19970002

    Author
    Title Membrane Penetration in Granular Materials at High Pressures
    Symposium ,
    Committee D18