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J. Korean Ceram. Soc. > Volume 37(1); 2000 > Article
Journal of the Korean Ceramic Society 2000;37(1): 70.
저 분말도 고로슬래그 분말을 사용한 혼합시멘트의 물성
송종택, 김재영, 최현국1, 변승호1
단국대학교 재료공학과
1성신양회 기술연구소
Properties of Blended Cement Using Ground Blastfurnace Slag with Low Blain Value
ABSTRACT
In order to investigate the properties of the blended cement using coarsely ground blasturnace slag blended coements which were substituted from 10 to 70 wt% low Blaine slag powder (2,000 and 3,000 cm2/g) for porland cement clinker were prepared and Cal(OH)2 contents in hydrates hydration heat the fluidity and the compressive strength were measured. As the content of slag was increased the hydration heat and the early strength was decreased and the fluidity of the cement paste was improved. The heat evolution of the cement with 2,000cm2/g slag was lower than that of 3,000 cm2/g slag blended cement. Especially the heat evolution of 60wt% or above slag blended cement was similar to that of belite rich cement.
Key words: Hydration properties, Slag Blended Cement, Heat evolution, Fluidity, $Ca(OH)_$2
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