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J. Korean Ceram. Soc. > Volume 47(5); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(5): 394.
doi: https://doi.org/10.4191/kcers.2010.47.5.394
보통 포틀랜드 시멘트 물성에 미치는 시멘트 입도의 영향
변승호, 김형철1, 김재영1, 최현국1, 송종택
단국대학교 신소재공학과
1(주)성신양회 기술연구소
Effect of Cement Particle Size on Properties of Ordinary Portland Cement
Seung-Ho Byun, Hyeong-Cheol Kim1, Jae-Young Kim1, Hyun-Kuk Choi1, Jong-Taek Song
Department of Material Science and Engineering, Dankook University
1Sungshin Cement Co Ltd. R&D
This study examined the effects of particle size on characteristics of cement by controlling the particle size of commercial cement. Through a size adjustment, the cement has increasing more of particles that are less than $10{mu}m$ in size so the initial reaction time has been shortened as a result of improvement in the early hydration reaction. Additionally, it showed a great characteristics of strength from the early age and the initial hydration heat has been increased as well. In the upper and middle parts cements, the initial hydration reaction rate contribution is high with the $10{mu}m$ compared to original cement. So the initial hydration reaction rate is improved and as a result, it also showed relatively high hydration heat as well. Additionally, adiabatic temperature also showed an increase rate in the results.
Key words: Particle size, Heat of hydration, Rheological properties, Compressive strength
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