Volume 14, Issue 3 (September 1991)

    Resonant Column Tests on Partially Saturated Sands

    CODEN: GTJOAD

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    Abstract

    This paper describes the measurement of the influence of capillary effects on the dynamic shear modulus of partially saturated sands. A Hall-type resonant column apparatus was used to perform the experiments. The materials tested included natural angular and subrounded sands, angular and subrounded sands with specified artificial gradations, and uniform angular and subrounded sands with various minus No. 400 sieve size fractions.

    Capillary stresses can significantly increase the shear modulus of unsaturated sands. Void ratio, confining pressure, degree of saturation, grain shape, and grain-size distribution are the primary factors affecting the shear modulus of partially saturated sands.


    Author Information:

    Qian, X
    Geotechnical engineer, C. W. Associates, Inc., Geolabs-Hawaii, Honolulu, HI

    Gray, DH
    Professor, The University of Michigan, Ann Arbor, MI

    Woods, RD
    Professor, The University of Michigan, Ann Arbor, MI


    Stock #: GTJ10571J

    ISSN: 0149-6115

    DOI: 10.1520/GTJ10571J

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    Author
    Title Resonant Column Tests on Partially Saturated Sands
    Symposium , 0000-00-00
    Committee D18