内部液体と外部液体から静液圧を受ける大形石油タンクの座屈特性

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タイトル別名
  • Buckling Characteristics of Large Aboveground Oil Storage Tanks under both Internal and External Liquid Pressure
  • ナイブ エキタイ ト ガイブ エキタイ カラ 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 Great East Japan Earthquake occurred on March 11, 2011. 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 both height and density of internal liquid 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 (3), 120-131, 2015

    一般社団法人 日本高圧力技術協会

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