SELF-COMPACTABLE CONCRETE THAT SUPPRESSES DECREASE IN FLOWABILITY CAUSED BY COARSE AGGREGATE, AND METHOD OF PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide self-compactable concrete that suppresses decrease in flowability caused by coarse aggregate, and can prevent heat generation.SOLUTION: Self-compactable concrete comprises mortar comprising cement, water, fine aggregate and high-performance AE water-reducing agent, c...

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1. Verfasser: OUCHI MASAHIRO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide self-compactable concrete that suppresses decrease in flowability caused by coarse aggregate, and can prevent heat generation.SOLUTION: Self-compactable concrete comprises mortar comprising cement, water, fine aggregate and high-performance AE water-reducing agent, coarse aggregate, and air-entraining agent, and also comprises 9-15 vol.% of entrained air. 【課題】粗骨材による流動性の低下を抑制するとともに、発熱を抑えることができる自己充填コンクリートを提供する。【解決手段】セメント、水、細骨材及び高性能AE減水剤からなるモルタルと、粗骨材と、空気連行剤とを含み、連行空気を9〜15体積%含むことを特徴とする自己充填コンクリートとする。【選択図】図1