コンテナ船の横強度解析及び実船計測

概要

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In this paper, an outline of the theoretical analysis on the transverse strength of a container ship is reported, in which a newly developed computer programme CCSTAP, is used for the analysis of the container hold structure, being compared with the results obtained by other computer programmes. Also described are the experimental test results of a full scale mesurement on the ship. The test is carried out by filling fresh water in the container hold, and the stress measurements are made on top plating, floors, girders, side transverses and upper deck girders, as well as box typed beam, pillars and horizontal girders of container supporting structures. Local stress measurements are also made on small brackets attached at the corner of tank top plating and inner hull of high stress concentration. It is found from the investigation that the stress distributions in the double bottom structures can be well estimated by using the structural analysis programmes within a satisfactory accuracy for practical design purpose. Furthermore, it is confirmed that the container supporting structures in the hold are effectively arranged from view point of the transverse rigidity of the ship.
財団法人日本海事協会の論文