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OTO 2001/034

Assessment of the effect of wave-in-deck loads on a typical jack-up.

A wave-in-deck model has been developed ("The MSL method") to determine the important loads caused by wave inundation on the hull of a jack-up structure. This method is a refinement of one proposed by Shell for fixed structures to take into account the large buoyancy loads caused by a wave passing round a solid hull structure. Wave-in deck loads have been calculated using the MSL and the Statoil methods, to allow a comparison of the wave-in deck loads predicted. Sixteen pushover analyses were performed on a detailed non-linear model of a typical jack-up structure. Reports a number of conclusions.

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Updated 2010-03-19