Base resistance of jacked pipe piles in sand

Barry Lehane, K.G. Gavin

    Research output: Contribution to journalArticlepeer-review

    175 Citations (Scopus)


    The paper presents the results from an experimental program carried out at Trinity College Dublin, in which instrumented model piles were jacked into loose dry sand in a large testing chamber. A number of pile installations were carried out to study the effects of in situ stress, diameter, and wall thickness on the behavior of open-ended piles in sand. These indicated that plug stiffness and capacity may be expressed as simple functions of the cone penetration test end resistance and the incremental filling ratio prior to loading. The magnitude and distribution of shear stresses measured on the inner wall are shown to be compatible with existing experimental data and can be related directly to the stress level, interface friction angle, and dilation of the sand at the pile wall. The data are shown to facilitate a better understanding of the factors controlling plug resistance.
    Original languageEnglish
    Pages (from-to)473-480
    JournalJournal of Geotechnical and Geoenvironmental Engineering
    Publication statusPublished - 2001


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