engleski

The Ship Hull Strength Deviations due to Tolerances of Rolled Steel Products

The paper considers the assessment of uncertainties of the ship hull strength with respect to uncertainties of built-in steel products such as plates and sections. The general procedure for worst case approach based on tolerancies is applied. A review of tolerances on rolled plates and sections provided for shipbuilding, according to the classification societies, international standards as well as tolerances defined by steelworks, is given herein. Using tolerances of plates and sections, the deviations of strength of the hull, structural parts and substructures from nominal strength are assessed by application of the worst case approach. A typical bulk carrier midship section has been investigated with respect to longitudinal strength deviation.

strength deviations; rolled steel

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