Predicting Punchthrough of Jackup Spudcans on Sand over Clay

AbstractThis paper considers the prediction of spudcan punchthrough failure in sand over clay. Centrifuge model tests published in the literature reveal that the failure mechanism is complex and changes as the spudcan pushes through the sand and the sand plug below it is pushed into the clay. This p...

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Bibliographic Details
Published inInternational journal of geomechanics Vol. 13; no. 6; pp. 869 - 876
Main Author Dean, E. T. R
Format Journal Article
LanguageEnglish
Published American Society of Civil Engineers 01.12.2013
Subjects
Centrifuges
Clay (material)
Mathematical analysis
Mathematical models
Plugs
Predictions
Sand
Technical Notes
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Summary:AbstractThis paper considers the prediction of spudcan punchthrough failure in sand over clay. Centrifuge model tests published in the literature reveal that the failure mechanism is complex and changes as the spudcan pushes through the sand and the sand plug below it is pushed into the clay. This paper assesses the relevant provisions of the new ISO standard and proposes a simple adjustment to the present predictive equations. Results are compared with data published in the literature.
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ISSN:1532-3641
1943-5622
DOI:10.1061/(ASCE)GM.1943-5622.0000261