Structural Safety Assessment of a Pontoon-Type VLFS Considering Damage to the Breakwater

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概要

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• Structural safety assessment of a pontoon-type Very Large Floating Structure (VLFS) surrounded by a gravity-type breakwater was carried out for extreme wave conditions considering the damage to the breakwater. Bending and shear collapses are considered to be a failure mode of the floating structure, while an overturning damage the breakwater. The probability of the breakwater overturning and the transmitted wave height before and after damage to the breakwater are evaluated using the Technical Standards for Port and Harbour Facilities in Japan. The ultimate bending and shear strengths of the floating structure are calculated by the Idealized Structural Unit Method (ISUM) and FEM, respectively. The calculated failure probability for the floating structure is compared with the specified target safety level. It was found that the floating structure under consideration is most likely to fail by bending in transverse waves, and that the corresponding failure probability satisfies the target safety level.

• 財団法人日本海事協会の論文

著者

• Fujikubo Masahiko

  Department Of Social And Environmental Engineering Hiroshima University

• Xiao Taoyun

  Department of Social and Environmental Engineering, Hiroshima University

• Yamamura Kazuhiro

  TOA Corporation

• Xiao Taoyun

  Department Of Social And Environmental Engineering Hiroshima University

• Fujikubo Masahiko

  Department Of Naval Architecture And Ocean Engineering Osaka University

関連論文

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