外部静液圧を受ける大形石油タンクの座屈特性

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書誌事項

タイトル別名
  • Buckling Characteristics of Large Aboveground Oil Storage Tanks under External Liquid Pressure
  • ガイブ セイ エキアツ オ ウケル オオガタ セキユ タンク ノ ザクツトクセイ

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抄録

Powerful tsunami attacked to the northeast coast of Japan due to the 2011 Great East Japan Earthquake occurred on March 11, 2011 with a moment magnitude 9. 0. There are many fishing ports along the coastal line. Several small aboveground storage tanks (ASTs) storing the fuel for fishing boats were installed at the fishing ports. Tsunami moved the ASTs and overturned them. Some of them leaked oil and sank to sea. On the other hand, although both small ASTs with full liquid and large ASTs did not move, they were subject to external pressure of the tsunami. This paper presents the bifurcation buckling analysis of shell plates in large ASTs by the axisymmetric shell finite element method. The influence of shell thickness, tank height, tank diameter and annular thickness to the buckling characteristics under external liquid pressure due to tsunami is described.

収録刊行物

  • 圧力技術

    圧力技術 53 (2), 56-68, 2015

    一般社団法人 日本高圧力技術協会

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