Probability distributions have been derived from extreme environmental loads on steel, space frame structures at four locations in UK waters. The calculations have used NEXT hindcast metocean data as input. In contract to previous work based on the NESS hindcast, the load return period plots for all the locations collapse onto one line when the loads are normalised on their 100 year values. Some account has been taken of modelling uncertainty in the probabilistic analysis and in the input hindcast.
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