Abstract

Even though in recent years safety has been increased as a result of technical, administrative and nautical measures taken, collisions and groundings constitute maritime accidents which still occur relatively frequently. The damages resulting from accidents may be drastically reduced by an appropriate hull structure, which will ensure tightness of the cargo tanks and floatability of the ship in damaged condition. The results of large–scale collision experiment were used to validate numerical calculations of the collision process. By means of the results obtained in respect of the breaking strains to be used in the calculations and other parameters numerical calculations were performed of a double–skin structure with austenitic inside wall and/or austenitic shell and inside wall. It was shown that, with identical structure and identical mass of construction, the use of austenitic steel offers considerably greater resistance to collisions.

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