貯油バージシステムの氷海中応答特性に関する実験的研究

概要

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In order to investigate the behavior of a new mooring system, "CTM" (catenary and tower mooring system), in ice-infested waters accompanied by weathervaning motion, a model test was conducted in the ice tank of Hamburgische Schiffbau-Versuchsanstalt GmbH (HSVA) and some theoretical considerations about the results were added. When considering the behavior of the barge moored to the CTM system in the actual sea area, there may be cases in which the barge is arranged at a 90° angle to the direction of floe of the ice, and it is considered to be reasonable to take the force in this condition as the design load. The load applied to the mooring line, which is a key point in designing CTM system, will be estimated from the test results as follows: Beset condition: 36×10^3kN Level ice condition: 14×10^3kN Ice floe condition: 2×10^3kN It is not likely that the beset case is the design condition in the site due to tidal current, and it is considered that the largest load will occur when the level ice attacks.
社団法人日本船舶海洋工学会の論文
1988-08-25