Volume 25, Issue 2 (June 2002)

    Shear-Wave Velocity to Determine Vertical Stress Share on Column-Sand Samples

    (Received 31 July 2000; accepted 7 September 2001)

    CODEN: GTJOAD

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    Abstract

    The increased rigidity of vibro-replacement stone columns in liquefiable soils offers the potential for liquefaction mitigation. This paper proposes a laboratory method to facilitate an investigation of this parameter. Shear-wave velocity data are used to obtain the vertical load distribution between loose sand and gravel column in composite columnar triaxial samples under static and cyclic loading. Significant reductions in cyclic stresses applied to the loose sand are obtained, offering the potential for the optimization of the design of vibro-systems to include load share benefits.


    Author Information:

    Blewett, J
    Research Associate, Heriot-Watt University, Riccarton, Edinburgh,

    Woodward, PK
    Lecturer, Heriot-Watt Unjversity, Riccarton, Edinburgh,


    Stock #: GTJ11358J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ11358J

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    Author
    Title Shear-Wave Velocity to Determine Vertical Stress Share on Column-Sand Samples
    Symposium , 0000-00-00
    Committee D18