鉄筋コンクリートプラグの設計と縮尺模型による検証 I  耐圧プラグの設計と実証

書誌事項

タイトル別名
  • Design and Physical Model Experiments on Steel-Reinforced Concrete Plug. Design and experiments on steel-reinforced concrete plug resisting high pressure. (1st Report).
  • 鉄筋コンクリートプラグの設計と縮尺模型による検証--耐圧プラグの設計と実証(第1報)
  • テッキン コンクリートプラグ ノ セッケイ ト シュクシャク モケイ ニ ヨル ケンショウ タイアツ プラグ ノ セッケイ ト ジッショウ ダイ1ポウ
  • - Design and experiments on steel-reinforced concrete plug resisiting high pressure (1st Report)-
  • -耐圧プラグの設計と実証(第1報)-

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抄録

Design of the steel-reinforced concrete plug for the underground cavern to store high pressure compressed air and / or natural gas is focussed. It is confirmed, based on the finite element stress analysis, that in case of the double-conical shaped plug, the shear failure along the rock-plug interface in the rear part of the plug is most easily induced among the few possible failure modes ,which causes the loss of the resistance to the applied pressure. It is also proved that the plug whose angle of the conic rear part is 60 degrees exhibits the maximum resistance to the above-mentioned shear failure.<br> To effectively support the tensile stresses induced in the rear part of the plug, a steel-reinforced concrete structure is recommnended, in which the steel elements sustain the tensile load. A design procedure is proposed by modelling the plug as deep beam supported on the two points. Length of a newly designed plug is only one thirds of that based on the conventional design methods in Japan.<br> A series of two dimensional physical model studies were conducted to confirm the failure modes and the attainable maximum pressure of the newly designed plug.<br>

収録刊行物

  • 資源と素材

    資源と素材 117 (1), 21-28, 2001

    一般社団法人 資源・素材学会

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