ON THE STRENGTH DEVELOPMENT OF ECO-CEMENT CONCRETE

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  • エコセメントを用いたコンクリートの強度発現性に関する実験的研究
  • エコセメント オ モチイタ コンクリート ノ キョウド ハツゲンセイ ニ カンスル ジッケンテキ ケンキュウ

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Abstract

This paper presents the results of series of experimental studies on effects of compressive strength development of eco-cement concrete. In early stages, eco-cement concrete increased the strength development than ordinary cement concrete. At a long term, however, it did not increase. Compressive strength of eco-cement concrete was smaller than the same water-cement ratio of ordinary cement concrete. Influence of curing temperature was the largest at the age of 7 days, while at the age of 28 days, it was not confirmed. Furthermore, this paper proposes new standards from the above results. An addition taking into account the discrepancy between the strength of the concrete in the structure and the strength of specimens (ΔF), temperature compensated specified strength T, and time for formwork to remain in place.

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