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    Volume 42, Issue 5 (September 2019)

    A Simple Approach to Multi-Degree-of-Freedom Loading in a Geotechnical Centrifuge

    (Received 30 January 2018; accepted 11 July 2018)

    Published Online: 2018

    CODEN: GTJODJ

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    Abstract

    This article considers an alternative approach for multiplanar loading and multi-degree-of-freedom movement in geotechnical centrifuge model tests. The multi-degree-of-freedom loading system allows for vertical load control on the vertical axis and either displacement or load control on the two horizontal axes, while allowing rotation about these axes. The system is described in detail, and the system performance is validated through results from a centrifuge test comparing observed results with analytical and numerical solutions. The validation of the system considers a mudmat foundation under large amplitude lateral displacement, where two displacement degrees-of-freedom and two rotational degrees-of-freedom were of interest. However, the apparatus is versatile and can be used for testing other foundation types or pipelines, with up to six degrees-of-freedom.

    Author Information:

    O’Loughlin, Conleth D.
    Centre for Offshore Foundation Systems, University of Western Australia, Perth, WA

    Cocjin, Michael L.
    Advisian, West Perth, WA

    Gourvenec, Susan M.
    Faculty of Engineering and Physical Sciences, University of Southampton, Southampton,

    Centre for Offshore Foundation Systems, University of Western Australia, Perth, WA

    Stanier, Sam A.
    Centre for Offshore Foundation Systems, University of Western Australia, Perth, WA


    Stock #: GTJ20180037

    ISSN:0149-6115

    DOI: 10.1520/GTJ20180037

    Author
    Title A Simple Approach to Multi-Degree-of-Freedom Loading in a Geotechnical Centrifuge
    Symposium ,
    Committee D18