Volume 34, Issue 6 (November 2011)

    Shear Viscosity of Clays in the Fall Cone Test

    (Received 14 June 2010; accepted 6 April 2011)

    Published Online: 2011

    CODEN: GTJOAD

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    Abstract

    The purpose of this paper is to investigate the use of a fall cone test to determine the viscosity of clay soils with a liquidity index of less than one. The conventional tool to determine the viscosity of clay soils is a viscometer. But, viscometers are suitable only for determining the viscosity of soils for water contents greater than the liquid limit. Because soil flow can take place within the plastic range, the viscosity has to be determined by means other than viscometers. In this study, eight soils were thoroughly investigated using the fall cone test. The results of the study show that the fall cone test is suitable to determine the shear viscosity of clay soils. Excellent correlations (regression coefficients > 0.95) were found between the final penetration depth and the dynamic equilibrium depth, and between the liquidity index and the viscosity.


    Author Information:

    Cevikbilen, Gokhan
    Istanbul Technical University,

    Budhu, Muniram
    University of Arizona,


    Stock #: GTJ103209

    ISSN: 0149-6115

    DOI: 10.1520/GTJ103209

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    Author
    Title Shear Viscosity of Clays in the Fall Cone Test
    Symposium , 0000-00-00
    Committee D18