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고로슬래그 기반 고칼슘 플라이애시 치환비율에 따른 시멘트 모르타르의 특성
조성우 ( Cho Sung-woo ),문경주 ( Mun Kyung-ju ),형원길 ( Hyung Won-gil ) 한국건축시공학회 2020 한국건축시공학회지 Vol.20 No.1
In the industry, due to the carbon dioxide gas produced during cement production is increasing, research on recycling by-products has been actively conducted. In the industrial by-products, the high calcium fly ash(HCFA) produced by the blast-furnace in the circulating fluidized bed combustion method has a high ratio of CaO and CaSO4. In view of this, the purpose of this is to use high calcium fly ash(HCFA) as a stimulant in blast furnace slag powder and use it as a cement substitute. As a result, it is judged that the substitution ratio of HCFA should be 15% or less. In addition, although durability and strength are relatively lower than of OPC, it is considered that it can be utilized as an environmentally building material.