On the Transverse Strength of Ore Carriers

概要

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When a large ore carrier is floating in the full load condition, a large amount of ore load is acting on the double bottom downwards and a large amount of buoyancy is acting on the wing tank up-wards. In this case, it is expected that relative deflection between the side shell amd the longitudinal bulkhead increases and induces large stresses in the transvese rings. According to this way of thinking, the authors try to calculate the trancverse strength of ore carriers including the relative deflection and the stresses induced by it, and then try to make some considerations upon. the effects of shear rigidity of swash bulkheads and of transverse rings.From these calculations following things are found : (1) Induced stresses due to relative deflection between side shells and longitudinal bulkheads. can not be neglected.(2) For the purpose of making relative diflection small, it is not effective to set swash. bulkheads of reinforced transverse ring type, but is effective to set swash bulkheads of perforated plane type.
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