2019 Volume 25 Issue 60 Pages 555-560
According to the investigation of recent research thesis, this paper describes the compensation vale of compressive strength of concrete using fly ash. As the result, in case of fly ash cement (type-B), the compensation vale of compressive strength can apply the standard value of JASS5 on the safe side and the compensation vale of concrete with hot weather can be reduced from 6N/mm2 to 3N/mm2. In case of fly ash cement (type-C), the compensation vale of compressive strength should use the standard value of fly ash cement (type-B) of JASS5 as a reference value.
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