長期経過した鉄筋コンクリート造ケーソン基礎の健全性に関する調査(材料施工)

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  • 石川 嘉崇
    電源開発(株)茅ヶ崎研究所リサイクル研究室

書誌事項

タイトル別名
  • STUDY ON THE SOUNDNESS OF AN AGED REINFORCED CONCRETE CAISSON FOUNDATION(Materials and Construction)
  • 長期経過した鉄筋コンクリート造ケーソン基礎の健全性に関する調査
  • チョウキ ケイカ シタ テッキン コンクリートゾウ ケーソン キソ ノ ケンゼンセイ ニ カンスル チョウサ

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説明

Among major tasks involved in the replacement of a thermal power plant are the demolishment and dismantlement of the existing plant, and the accompanying disposal of wastes. In disassembling and dismantling the existing plant, it is important to study a method to use members of the existing structure in their original conditions, to the maximum extent possible. In view of these circumstances, we studied the soundness, as a concrete material, of a reinforced concrete caisson foundation that has suffered aged deterioration. Our study revealed no such structure-related problems as concrete cracking, alkali-aggregate reaction and reinforcement corrosion. Also, the concrete compressive strength was higher than the design standard by a sufficient margin. Based on these results, we judged that the studied caisson was sound regarding its material aspects.

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