Simple estimation for bulging response of a rectangular water storage tank with inner members

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  • 内構材をもつ実矩形貯水槽の簡易バルジング応答推定
  • ナイコウザイ オ モツ ジツ クケイ チョスイソウ ノ カンイ バルジング オウトウ スイテイ

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Abstract

<p>In order to develop a simple estimation method for the bulging frequency of a rectangular water storage tank with inner members, shaking tests with scaled stainless steel tank models were carried out, and the results were compared to those calculated. The influence of inner members, such as, reinforcement column and horizontal beam on the bulging behavior was evaluated from the experimental results. Subsequently, the frequencies obtained from experiment were compared with those estimated by classical energy method and FE analysis. As a conclusion, it was indicated that the appropriate assumption of vibration mode and the use of equivalent stiffness for tank wall enables to estimate simply the bulging frequency.</p>

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