A STUDY ON PREDICTION OF EARLY-STAGE STRENGTH OF CONCRETE DUE TO VARIOUS GROWTH CURVE

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  • 各種の成長曲線によるコンクリートの早期強度推定に関する検討
  • カクシュ ノ セイチョウ キョクセン ニ ヨル コンクリート ノ ソウキ キョウド スイテイ ニ カンスル ケントウ

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The purpose of this study is to develop the method on estimating the compressive strength at early-stage. In order to consider the effect of temperature on strength development of concrete, the equivalent age based on the maturity and the Arrhenius equation were taken up in this study. The availability of four kinds of strength growth curve was investigated by the use of the compressive strength of concrete cured at constant temperature of three levels. This study proposed the equation of estimating the compressive strength with consideration to the difference in water-cement ratio. The proposed equation was able to assess the strength of ready mixed concrete with sufficient accuracy.

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