…It is best to use moderate-heat Portland cement or fly ash cement, which generates little heat of hydration. Hot weather concrete This is also a classification based on the temperature at the time of construction, and refers to concrete that is constructed during periods when the air temperature is high and there is a risk of a drop in slump or rapid evaporation of water. Care should be taken to use materials with as low a temperature as possible to lower the temperature of the mixed concrete, and to prevent evaporation of water during curing. … *Some of the terminology that refers to "hot weather concreting" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…セメントは水和熱の発生が少ない中庸熱ポルトランドセメント,フライアッシュセメントなどを用いるのがよい。暑中コンクリートhot weather concretingこれも施工時の温度による分類のしかたで,気温が高く,スランプの低下や水分の急激な蒸発などのおそれのある時期に施工されるコンクリートをいう。なるべく低い温度の材料を用いて練上りコンクリート温度を低下させるとともに,養生中の水分の蒸発を防ぐなどの注意をする。… ※「hot weather concreting」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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