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    Volume 30, Issue 5 (September 2007)

    Centrifuge Seismic Modeling of Pile-Supported Wharves

    (Received 9 February 2005; accepted 5 March 2007)


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    Five pile-supported wharf models were dynamically tested in a large-scale geotechnical centrifuge at UC Davis, California. Models representing pile-supported wharf configurations common in the United States were subjected to recorded acceleration time histories. Model variations included single-lift, multi-lift, and cut-slope rock dike configurations with foundation layers of loose liquefiable sand, marine clay, or dense sand, or a combination thereof. In addition, zones of soil were placed to model soil improvement. Structural elements representing pile-supported wharf geometries were placed within the models; some models included all vertical piles, while two of the models included batter piles. In addition, single piles were placed in two of the models and subjected to static cyclic lateral load tests. All models were extensively instrumented with nearly 100 instruments recording accelerations, pore pressures, linear deformations, and pile strains. This paper summarizes the design, construction, and testing of these complex models, and includes a brief summary of the results and recommendations for future modeling.

    Author Information:

    McCullough, Nason J.
    Geotechnical Engineer, CH2M HILL, Corvallis, OR

    Dickenson, Stephen E.
    Associate Professor, Oregon State University, Corvallis, OR

    Schlechter, Scott M.
    Geotechnical Engineer, GRI, Portland, OR

    Boland, Jonathan C.
    Senior Engineer, Engeo, Inc., Rocklin, CA

    Stock #: GTJ14066


    DOI: 10.1520/GTJ14066

    Title Centrifuge Seismic Modeling of Pile-Supported Wharves
    Symposium ,
    Committee D18