日本建築学会技術報告集
Online ISSN : 1881-8188
Print ISSN : 1341-9463
ISSN-L : 1341-9463
材料施工
中庸熱フライアッシュセメントを使用したコンクリ トの中性化速度係数
押田 文雄米澤 敏男本間 大輔山口 善弘岡本 博史中尾 正純
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ジャーナル フリー

2014 年 20 巻 45 号 p. 451-456

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The carbonation rate coefficient of the medium heat Portland cement with fly ash was studied in both accelerated and natural exposure test conditions. The coefficient of the cement was higher than that of ordinary Portland cement (N cement) by 1.5 to 2.0 times under accelerated test conditions when water to binder ratio was 60%, but it was nearly the same with that of N cement under out door exposure test conditions. The cement factor (α2) of the cement was calculated to be 1.1 and the environment related factor (β3) was to be 3.5 according to the carbonation rate coefficient equations by the AIJ durability design recommendation.
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