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    Volume 45, Issue 4 (July 2017)

    Modified Odometer Cell to Measure Electrical Resistivity of Clays Undergoing Consolidation Process

    (Received 1 January 2016; accepted 10 May 2016)

    Published Online: 2017

    CODEN: JTEVAB

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    Abstract

    Electrical resistivity is used widely to evaluate various soil behavior and properties. Furthermore, it controls the power consumption during the electro-osmosis consolidation process. This paper discusses the modifications made on the conventional odometer test apparatus to measure the electrical resistivity of a clay specimen undergoing consolidation at different vertical effective stress levels using the four-electrode Wenner array method. Extensive numerical calibrations were also conducted to investigate the effect of boundary conditions of the test set up on the electrical resistivity values and, based on the results obtained, a general calibration equation is introduced. The validity of the proposed calibration equation is confirmed experimentally using different materials with known electrical resistivity values. Finally, three different sets of electrical resistivity results during the consolidation process are presented and discussed from the modified odometer cell.


    Author Information:

    Naghibi, M.
    Dept. of Civil and Environmental Engineering, Univ. of Auckland, Auckland,

    Abuel-Naga, H.
    La Trobe Univ., Melbourne,

    Orense, R.
    Dept. of Civil and Environmental Engineering, Univ. of Auckland, Auckland,


    Stock #: JTE20160002

    ISSN:0090-3973

    DOI: 10.1520/JTE20160002

    Author
    Title Modified Odometer Cell to Measure Electrical Resistivity of Clays Undergoing Consolidation Process
    Symposium ,
    Committee D18