浮遊式海洋建築物の構造形式による動揺特性の相違

概要

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A statistical approach is employed to investigate the motion characteristics of the different types of floating offshore structures. A long term cumulative probability is evaluated that the acceleration responses of the structure exceed a limited value. Three types of structures, i.e. ,a barge, semisubmersible and tention-leg platform are selected as typical floating structures. These structures are supposed to be constructed inshore of the Japan Sea and the Pacific Ocean, and us the middle of the North Pacific Ocean. The results of long term prechction of acceleration responses are compared with the criteria for human exposure to vibration proposed by ISO, from which the habitability of the different types of floating structures are discussed. It is comfirmed that the semisubmersible and tension-leg platform are most preferable from the point of view of habitability because the cumulative probability that the responses of these structural types exceed the habitability criteria is much smaller than that of the barge.
一般社団法人日本建築学会の論文
1996-03-20