Volume 28, Issue 2 (March 2005)

    Laboratory Calibration of Earth Pressure Cells

    (Received 28 July 2003; accepted 19 July 2004)

    Published Online: 2005

    CODEN: GTJOAD

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    Abstract

    The objective of this study was to design a simple apparatus for laboratory calibration of diaphragm type earth pressure cells (EPC). A new testing device was fabricated to permit the application of normal stress to the EPC using various types of soil and load configurations. With respect to fluid pressure, the response of the EPC can be different for the simplest earth pressure conditions because of an arching effect or nonuniform contact stress. For an EPC with a rigid outer rim, sensitivities computed from soil calibrations were lower than those determined from fluid calibrations by about 20 %.


    Author Information:

    Labuz, JF
    MSES/Miles Kersten Professor, University of Minnesota, Minneapolis, MN

    Theroux, B
    Project Engineer, Gale-Tec Engineering, Minneapolis, MN


    Stock #: GTJ12089

    ISSN: 0149-6115

    DOI: 10.1520/GTJ12089

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    Author
    Title Laboratory Calibration of Earth Pressure Cells
    Symposium , 0000-00-00
    Committee D18