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J. Korean Ceram. Soc. > Volume 48(6); 2011 > Article
Journal of the Korean Ceramic Society 2011;48(6): 504.
doi: https://doi.org/10.4191/kcers.2011.48.6.504
고성능 감수제 종류에 따른 실리카흄이 혼입된 시멘트 수화 특성
강현주, 송명신, 박종헌1, 송수재2
강원대학교 화학공학연구소
1강원대학교 삼척캠퍼스 화학공학과
Influence of Superplastisize Types on Hydration of Cement with Silica Fume
Hyun-Ju Kang, Myong-Shin Song, Jong-Hun Park1, Su-Jae Song2
Reasearch Institute of Chemical Engineering, Kangwon National University
1Department of Chemical Engineering Kangwon National University
In this study, the effect of superplasticizers on the dispersibility and hydration properties of cement with silica fume were investigated. Superplasticizers are used Naphthalene type, Ligno-sulfate type and polycarboxylate type. Compared with plastic viscosity of cement paste without superplasticizers(Plain), plastic viscosity of cement paste with superplasticizers are reduced and yield stress of cement pastes with each superplasticizer is increased rather than Plain. And then, plastic viscosity of cement paste with Naphthalene type superplasticizer was the least of all types. Compared with other two types, setting and hydration of cement paste with Polycarboxylate type(PC) superplasticizer is very fast. At compressive strength after 3-day, PC is higher than other two types, But, compressive strength of after 7-day and 28-day, PC is smaller than other two types.
Key words: Silicafume, Dispersion, Superplastisizer, Plastic viscosity, Yield stress
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