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  • Stiffness and strength parameters for hardening soil model of soft and stiff Bangkok clays

    Author(s)
    Surarak, Chanaton
    Likitlersuang, Suched
    Wanatowski, Dariusz
    Balasubramaniam, Arumugam
    Oh, Erwin
    Guan, Hong
    Griffith University Author(s)
    Guan, Hong
    Oh, Erwin
    Year published
    2012
    Metadata
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    Abstract
    A comprehensive set of experimental data on Bangkok subsoils from oedometer and triaxial tests are analysed in this paper in order to determine the stiffness and strength parameters for Hardening Soil Model. The parameters determined are the Mohr-Coulomb effective stress strength parameters together with the stiffness parameters; tangent stiffness for primary oedometer loading, secant stiffness in undrained and drained triaxial tests, unloading/reloading stiffness and the power for stress level dependency of stiffness. The oedometer data are obtained from three different Bangkok soil layers: soft clay at 6-8 m depths; medium ...
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    A comprehensive set of experimental data on Bangkok subsoils from oedometer and triaxial tests are analysed in this paper in order to determine the stiffness and strength parameters for Hardening Soil Model. The parameters determined are the Mohr-Coulomb effective stress strength parameters together with the stiffness parameters; tangent stiffness for primary oedometer loading, secant stiffness in undrained and drained triaxial tests, unloading/reloading stiffness and the power for stress level dependency of stiffness. The oedometer data are obtained from three different Bangkok soil layers: soft clay at 6-8 m depths; medium clay at 12-14 m depths; and stiff clay at 15.5-18 m depths. The triaxial tests data are carried out for soft and stiff clays at depths of 5.5-6 m and of 16-18 m under both undrained and drained conditions, respectively. Finally, two sets of parameters for soft and stiff Bangkok clays are numerically calibrated against undrained and drained triaxial results using PLAXIS finite element software.
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    Journal Title
    Soils and Foundations
    Volume
    52
    Issue
    4
    Publisher URI
    http://www.sciencedirect.com/science/article/pii/S0038080612000790
    Subject
    Soil sciences
    Civil engineering
    Civil geotechnical engineering
    Other engineering
    Resources engineering and extractive metallurgy
    Publication URI
    http://hdl.handle.net/10072/49249
    Collection
    • Journal articles

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