Volume 36, Issue 1 (January 2013)

    Efficient Laboratory Measurements of the Soil Water Retention Curve

    (Received 29 June 2012; accepted 28 August 2012)

    Published Online: 2012

    CODEN: GTJOAD

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    Abstract

    The knowledge of the soil water retention curve (SWRC) is of particular importance for unsaturated soils. However common techniques to determine SWRC may be much more time-consuming than other soil property testing techniques and may lack flexibility in controlling the stress state of the soil in the field, which is of most relevance for geotechnical engineering applications. The paper presents a transient testing technique for the continuous measurement of SWRC in a triaxial cell during which testing rates are adjusted based on numerical modeling results simulating the testing. This enables the optimization of the experimental process and hence a more efficient determination of the SWRC. The technique is then successfully applied to determine the SWRC of statically compacted silica flour specimens, tested under different confining stresses.


    Author Information:

    Mavroulidou, Maria
    Reader, Faculty of Engineering, Science and the Built Environment, London South Bank Univ., London,

    Cabarkapa, Zeljko
    Director, Geotechnical Consulting Group, London,

    Gunn, Michael J.
    Emeritus Professor, Faculty of Engineering, Science and The Built Environment, South Bank Univ., London,


    Stock #: GTJ20120134

    ISSN: 0149-6115

    DOI: 10.1520/GTJ20120134

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    Author
    Title Efficient Laboratory Measurements of the Soil Water Retention Curve
    Symposium , 0000-00-00
    Committee D18