Shear-wave velocity to determine vertical stress share on column-sand samples

J. Blewett, P. K. Woodward

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    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.

    Original languageEnglish
    Pages (from-to)148-156
    Number of pages9
    JournalGeotechnical Testing Journal
    Volume25
    Issue number2
    Publication statusPublished - Jun 2002

    Keywords

    • Ground improvement
    • Laboratory tests
    • Liquefaction
    • Shear-wave velocity

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