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    Volume 26, Issue 2 (June 2003)

    Experimental Investigation of Dynamic Response of Compacted Clayey Soils

    (Received 24 August 2001; accepted 5 August 2002)

    Published Online: 01 June 2003


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    A study was conducted to determine the dynamic properties of compacted clayey soils subjected to low amplitude vibration. A fast and simple ultrasonic pulse transmission method was used. Tests were conducted on three clayey soils with low to high plasticity compacted using standard and modified Proctor effort over a range of water contents. The samples were allowed to dry after compaction and P-wave velocity, S-wave velocity, Poisson's ratio, and shear modulus were determined. The effects of soil type, compaction conditions, and degree of saturation on the dynamic response of the soils were investigated. The elastic wave velocities and the dynamic shear modulus increased as the soil plasticity decreased. The velocities and the modulus increased and the Poisson's ratio decreased as the degree of saturation decreased due to drying. Generally, the velocities and moduli increased significantly at the early stages of drying with the changes becoming more gradual as drying progressed. Variations were high for soils compacted with low energy and high water content. The shear moduli of the soils were also estimated using a common empirical equation. Suction values obtained for the test soils in a different study were used as effective stresses in the estimation. The estimated shear moduli agreed well with the measured values.

    Author Information:

    Inci, G
    Geotechnical Engineer, MWH Energy and Infrastructure, Inc., Chicago, IL

    Yesiller, N
    Associate Professor, Wayne State University, Detroit, MI

    Kagawa, T

    Stock #: GTJ11328J


    DOI: 10.1520/GTJ11328J

    Title Experimental Investigation of Dynamic Response of Compacted Clayey Soils
    Symposium ,
    Committee D18