バルクキヤリヤの二重底構造の設計法に関する一考察

概要

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Recently bulk carriers adopting alternate loadings have come to be built extensively. In these cases their double bottoms suffer strong force compared with those of the ordinary cargo ships. As to the design of their double bottom structures, any general method taking this fact into account has not yet been established. So we present here a practical method for them. Conclusions obtained are as follows : 1. Height of double bottom is to be the minimum value required by the rule. 2. Slope of hopper top is to be 45゜ against horizontal surface. 3. Breadth of hopper is to be so set as to make the stress of double bottom below allowable value. 4. A structure so designed as to satisfy the above items will give minimum weight and nearly maximum hold capacity.
社団法人日本船舶海洋工学会の論文
1963-04-30