Volume 36, Issue 6 (November 2013)

    A New Slurry-Based Method of Preparation of Hollow Cylinder Specimens of Clean and Silty Sands

    (Received 2 April 2013; accepted 12 July 2013)

    Published Online: 2013

    CODEN: GTJOAD

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    Abstract

    Given that hollow cylinder testing of undisturbed sand samples is virtually impossible to carry out, a new slurry deposition method is described in this study that allows reconstitution of uniform, saturated hollow cylinder specimens of clean and silty sands deposited under water. A novel gradient density mold was designed to demonstrate the uniformity of hollow cylindrical specimens prepared with the proposed method. Based on the results of 40 hollow cylinder tests and six uniformity tests on clean and silty sand specimens, the proposed method is shown to yield uniform hollow cylinder specimens in terms of relative density and silt content that have a high initial degree of saturation and that can be easily saturated using conventional back-pressure saturation procedures. Specimens prepared with the proposed method present very repeatable stress–strain responses during anisotropic consolidation and drained principal stress rotation.


    Author Information:

    Tastan, Erdem O.
    Project Director, Paul C. Rizzo Associates, Pittsburgh, PA

    Carraro, J. Antonio H.
    Professor, Centre for Offshore Foundation Systems, The Univ. of Western Australia, Crawley, WA


    Stock #: GTJ20130056

    ISSN: 0149-6115

    DOI: 10.1520/GTJ20130056

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    Author
    Title A New Slurry-Based Method of Preparation of Hollow Cylinder Specimens of Clean and Silty Sands
    Symposium , 0000-00-00
    Committee D18