AEコンクリートにおける単位セメント量, 水セメント比 (<i>w/c</i>), 空気量の変化が圧縮強度, 強度増進, 水密性, 耐久性等におよぼす影響の研究

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  • 関 慎吾
    社團法人土木學會 電力技術研究所土木部構造課

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タイトル別名
  • STUDIES ON PERFORMANCE OF AIR ENTRAINED CONCRETE INFLUENCED BY THE VARIATIONS OF CEMENT CONTENTS, THE WATER CEMENT RATIO AND THE AMOUNT OF ENTRAINED AIR

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説明

The measurements on heat of hydration and the observations of hydration process by microscopic picture have clarified the following points: the concrete with large water cement ratio (w/c) promoted the hydration up to the age 91 days, having a small increase of strength while the one with small water Cement ratio (w/c) contained a lot of unhydrated cement, having a large increase of strength at a long age.<br>The auther investigated that the durability of concrete is substantially affected by such factors as water cementratio (w/c) and amount of entrained air, explained the phenomenon by his theory of freezable water air ratio (F.W/A) and clarified theoretically the cause of decrease of durability.

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