Volume 30, Issue 6 (November 2007)

    Local Radial Displacement Measurements of Soil Specimens in a Triaxial Test Apparatus Using Laser Transducers

    (Received 23 July 2006; accepted 17 April 2007)

    Published Online: 2007

    CODEN: GTJOAD

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    Abstract

    A laser scanning device is introduced to measure radial displacements in triaxial testing apparatuses. The equipment provides contactless measurement of the radial displacement of the test specimen over the whole specimen height. Additionally, a method is proposed for determining the initial specimen volume from the scanned specimen profiles as well as the change in volume during test performance. These methods are then evaluated, based on test results from a drained stress path test on Swiss lacustrine clay.


    Author Information:

    Messerklinger, S.
    Senior Research Fellow and Professor, Institute for Geotechnical Engineering,

    Springman, S. M.
    Senior Research Fellow and Professor, Institute for Geotechnical Engineering,


    Stock #: GTJ100735

    ISSN: 0149-6115

    DOI: 10.1520/GTJ100735

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    Author
    Title Local Radial Displacement Measurements of Soil Specimens in a Triaxial Test Apparatus Using Laser Transducers
    Symposium , 0000-00-00
    Committee D18