STP1089

    Shearing Characteristic of Composite Ground and Its Application to Stability Analysis

    Published: Jan 1991


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    Abstract

    Shearing characteristics of composite ground, that is clayey soft ground improved by stone or sand columns, are studied. Triaxial compression tests and simple shear tests on composite ground elements are carried out. The result suggests that sand and clay fail individually when the element fails, and that the element has anisotropy of shear strength parameters. Stabilities of embankments on several composite grounds are analyzed by the proposed method in which anisotropy of shear strength parameters is Introduced. The result shows that the proposed method gives lower safety factor than the conventional method.

    Keywords:

    composite ground, sand columns, shear strength, anisotropy, stability analysis


    Author Information:

    Enoki, M
    associate professor of Ocean Engineeringprofessorresearch associatemanaging director, Ehime UniversityFudo Construction Co. Ltd., Matsuyama, EhimeTaito-ku, Tokyo,

    Yagi, N
    associate professor of Ocean Engineeringprofessorresearch associatemanaging director, Ehime UniversityFudo Construction Co. Ltd., Matsuyama, EhimeTaito-ku, Tokyo,

    Yatabe, R
    associate professor of Ocean Engineeringprofessorresearch associatemanaging director, Ehime UniversityFudo Construction Co. Ltd., Matsuyama, EhimeTaito-ku, Tokyo,

    Ichimoto, E
    associate professor of Ocean Engineeringprofessorresearch associatemanaging director, Ehime UniversityFudo Construction Co. Ltd., Matsuyama, EhimeTaito-ku, Tokyo,


    Paper ID: STP25048S

    Committee/Subcommittee: D18.11

    DOI: 10.1520/STP25048S


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