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J. Korean Ceram. Soc. > Volume 36(1); 1999 > Article
Journal of the Korean Ceramic Society 1999;36(1): 77.
분발도가 포틀랜드 시멘트의 물성에 미치는 영향
송종택, 김재영, 전준영1
단국대학교 재료공학과
1현대시멘트 연구개발과
Effect of the Fineness on the Properties of Portland Cement
In order to investigate the effect of fineness on the properties of Portland cement, we prepared five kinds of portland cements with different Blaine values(2300, 2500, 3000, 3500, 45oo $textrm{cm}^2$/g) and measured Ca(OH)2 analysis, hydration heat, the fluidity and the physical properties of them. According to the results, as the Blain value of cement is lower, the rate of hydration is delayed, and the hydration heat and the compressive strength are decreased. But the fluidity of cement paste is improved. Especially, the hydration heat of the cement with 2500$textrm{cm}^2$/g of Blaine value is decreased about 15% compared with 3500 $textrm{cm}^2$/g cement.
Key words: Portland cement, Property, Fineness, Hydration heat, Fluidity
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