Launching Bargeの縦強度とJacket LaunchingのSimulationについて

概要

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The launching barge used for the installation of the jacket (offshore structure for oil production, etc.) runs into various loads, during load out, towing and launching of the jacket. Therefore, it is necessary to proceed the barge design with detailed analysis of it's motion and strength for each process. During process of the jacket launching, the load on the barge become very large, especialy when the jacket pivot on the locker arms. In this paper, the authors developed a computer program to estimate the motion of the jacket and barge to calculate the load distribution on the barge when the jacket is being launched from the barge. Calculation for the launching of a jacket (weight; 25,000tons, height; 175m) from three barges (length; 162m, 180m, 198m) were carried out, and the load on the barges during jacket launching was investigated in relation to the barge length, starting position of jacket sliding and the maximum wave load predicted by the strip method.
社団法人日本船舶海洋工学会の論文
1979-08-20