Properties of Low-Heat and High-Strength Concrete for Low-Temperature Environment Using a New Superplasticizer

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  • 新高性能AE減水剤を用いた低温環境用低発熱・高強度コンクリートの特性
  • シン コウセイノウ AE ゲンスイザイ オ モチイタ テイオン カンキョウヨウ

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Abstract

In recent years, as subject for large concrete structures, there has been a growing demand for mass concrete that offers both low-heat and high-strength in low-temperature environments. However, these performance demands are generally contradictionary. In order to develop the concrete technology satisfying these performance demands, basic properties of concrete were examined by using a new superplasticizer with the cementitious materials comprising moderate heat Portland cement, blast-furnace slag, silica fume, and gypsum. The result of the studies indicated that it is possible to produce high-performance concrete with low heat and high strength in low temperature environments, by means of properly combining the new superplasticizer and those materials with low water-binder ratio

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