CPT correlation developed from numerical analysis to predict jack-up foundation penetration into sand overlying clay

Britta Bienen, G. Qiu, T. Pucker

    Research output: Contribution to journalArticlepeer-review

    18 Citations (Scopus)

    Abstract

    © 2015 Elsevier Ltd. All rights reserved. Rapid uncontrolled leg penetration, or punch-through, accounts for a substantial number of accidents related to jack-up platforms, which are typically only employed at any one site for a few months before being removed and installed elsewhere. Hence, the ability to predict the load-penetration curve of a spudcan footing is particularly important in layered soil profiles, in order to identify punch-through risk prior to mobilisation of the rig. The correlation method proposed here links the spudcan load-penetration curve directly to the profile of cone tip resistance that is typically obtained as part of an offshore site investigation campaign. This contrasts with existing approaches that require input parameters that are empirically derived from site investigation measurements or necessitate additional soil element testing in an onshore laboratory.
    Original languageEnglish
    Pages (from-to)216-226
    Number of pages11
    JournalOcean Engineering
    Volume108
    Early online date27 Aug 2015
    DOIs
    Publication statusPublished - 1 Nov 2015

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