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    Volume 38, Issue 6 (November 2015)

    Spectral Induced Polarization Techniques in Soil Corrosivity Assessments

    (Received 17 September 2014; accepted 29 April 2015)

    Published Online: 2015

    CODEN: GTJODJ

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    Abstract

    We presented a laboratory method for investigating the spectral induced polarization (SIP) response of soil samples and the implications for overall soil corrosivity. This study was important in order to advance the understanding of soil electrical properties, which can be used diagnostically to assess infrastructure integrity. Presently, isolated measurements of soil resistivity are the only (electrical) parameters that are routinely used to identify soil corrosivity. Our work showed that the low frequency soil spectral properties may lead to better soil corrosivity assessments when coupled effects from clay and salinity were present. In particular, unfolding and interpreting the soil spectral properties using the Cole-Cole model revealed that the normalized chargeability parameter mn was highly appropriate for identifying the character of potentially corrosive soils.


    Author Information:

    Deo, Ravin N.
    School of Engineering and Physics, Faculty of Science Technology and Environment, Univ. of the South Pacific, Suva,

    Cull, James P.
    School of Earth, Atmosphere and Environment, Monash Univ., Clayton,


    Stock #: GTJ20140219

    ISSN:0149-6115

    DOI: 10.1520/GTJ20140219

    Author
    Title Spectral Induced Polarization Techniques in Soil Corrosivity Assessments
    Symposium ,
    Committee D18