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    Volume 38, Issue 1 (January 2015)

    The Use of Restrained Ring Test Method for Soil Desiccation Studies

    (Received 4 August 2013; accepted 17 October 2014)

    Published Online: 2015

    CODEN: GTJODJ

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    Abstract

    Tensile failure in soils caused by desiccation cracking is of great importance in many geotechnical applications such as earth dam engineering, design of clay liners for waste contaminant systems, agricultural engineering, and environmental remediation. Currently, the majority of tests used for tensile strength measurement are based on external loading and few studies have measured soil tensile strength during the desiccation process. This study uses the restrained ring test as a method to determine the tensile strength in desiccating clay soils by isolating the initiation of a single crack. Four clay soils with varying shrink/swell potentials were tested and analyzed to predict their tensile strength during desiccation. Using image correlation or particle image velocimetry, information on shrinkage displacement and void ratio development were examined. An incremental non-linear elastic analytical model was used to explain the experimental behavior successfully.


    Author Information:

    Shannon, B.
    Research Fellow, Department of Civil Engineering, Monash Univ.,

    Kodikara, J.
    Professor, Department of Civil Engineering, Monash Univ.,

    Rajeev, P.
    Senior Lecturer, Department of Civil and Construction Engineering, Faculty of Science, Engineering & Technology, Swinburne Univ. of Technology, Hawthorn, Victoria,


    Stock #: GTJ20130131

    ISSN:0149-6115

    DOI: 10.1520/GTJ20130131

    Author
    Title The Use of Restrained Ring Test Method for Soil Desiccation Studies
    Symposium ,
    Committee D18