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|1. (WO2018143387) CONCRETE COMPOSITION AND METHOD FOR MANUFACTURING CONCRETE COMPOSITION|
|Applicants:||SUMITOMO OSAKA CEMENT CO., LTD.
|Title:||CONCRETE COMPOSITION AND METHOD FOR MANUFACTURING CONCRETE COMPOSITION|
The present invention is a concrete composition containing cement and ground fly ash formed by grinding fly ash raw powder. The ground fly ash is configured such that a fly ash paste that contains 50 parts by mass of water relative to 100 parts by mass of the ground fly ash has a JA funnel flow down time in the range 17–27 seconds.