Centrifuge modelling of a laterally cyclic loaded pile

Rasmus Tofte Klinkvort, Caspar Thrane Leth, Ole Hededal

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    Abstract

    A total number of 9 static and 6 cyclic centrifuge tests on laterally loaded piles in very dense, dry sand was erformed. The prototype dimensions of the piles were 1 meter in diameter and penetration depths varying from 6 to 10 meters. The static tests were used to investigate the initial subgrade reaction modulus and as a reference for cyclic tests. For the cyclic tests the accumulation of deflections and the change in secant stiffness of the soil from repetitive loading were investigated. From all the tests carried out accumulations of deflections were seen. rom the centrifuge tests it was seen that no reduction occurs of the overall bearing capacity and that deflections accumulate due to cyclic loading. This paper presents test results and discusses the effects from load eccentricity and effects from cyclic loading with focus on accumulations of the deflection and the change in secant stiffness.
    Original languageEnglish
    Title of host publicationPhysical Modelling in Geotechnics
    Volume7
    PublisherTaylor & Francis
    Publication date2010
    Pages959-964
    ISBN (Print)978-0-415-59288-8
    Publication statusPublished - 2010
    Event7th International Conference on Physical Modelling in Geotechnics - Zurich, Switzerland
    Duration: 27 Jun 20102 Jul 2010
    Conference number: 7th

    Conference

    Conference7th International Conference on Physical Modelling in Geotechnics
    Number7th
    Country/TerritorySwitzerland
    CityZurich
    Period27/06/201002/07/2010

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