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J. Korean Ceram. Soc. > Volume 37(2); 2000 > Article
Journal of the Korean Ceramic Society 2000;37(2): 145.
고로슬래그와 폴리카르본산계 유기 혼화제를 첨가한 Belite-rich Cement 모르타르 유동특성
송종택, 송종택, 조현태, 황인수, 박춘근1
단국대학교 재료공학과
1쌍용양회(주) 중앙연구소
Rheology Properties of Belite-rich Cement Mortar Added Blastfurnace Slag and Polycarbonate-based Superplasticizer
In order to investigate the rheological properties of belite-rich cement(BRC) added polycarbonate-based superplasticizer and blastfurnace slags which have different blaines at 4500, 6000 and 8000$textrm{cm}^2$/g, the change of minislumps and mortar slumps are measured with time. The rheological properties improve as specific surface area of added slag decreases or amount of polycarbonate-based superplasticizer increases. The slump loss can be controlled effectively by the steric hinderance effect of polycarbonate-based superplasticizer. According to the results, when mix proportion of the mortar is 1.5% mass content of superplasticizer and 30% mass addition of blastfurnace slag which blaine is 4500$textrm{cm}^2$/g, the best mortar slump can be achieved without any significant segregation of materials.
Key words: Rheology properties, Belite-rich cement, Mortar slump, Slump loss, Polycarbonate-based superplasticizer
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