Conference Proceedings

Jack-up spudcan penetration analysis: Review of semi-analytical and numerical methods

Y Zhang, HDV Khoa, V Meyer, MJ Cassidy

Frontiers in Offshore Geotechnics III - 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG 2015 | Published : 2015


Spudcan penetration analyses for offshore jack-up units are commonly performed in accordance with methods described in industry guidelines. However, accurate prediction of spudcan penetration resistance is challenging in layered soils. The topic has thus attracted considerable research efforts in recent years, especially in “strong over weak” punch-through type soil profiles and more recently in multi-layer alternating sand/clay profiles. This paper evaluates the performance of the current guideline methods by comparing predictions with measurements from selected well-controlled centrifuge experiments. Large Deformation Finite Element (LDFE) analyses are also performed and results are compar..

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