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J. Korean Ceram. Soc. > Volume 47(5); 2010 > Article
Journal of the Korean Ceramic Society 2010;47(5): 412.
doi: https://doi.org/10.4191/kcers.2010.47.5.412
실리카퓸을 혼합한 시멘트 콘크리트의 역학적 특성 및 내구성
이승태, 이승헌1
군산대학교 토목공학과
1군산대학교 신소재공학과
Mechanical Properties and Durability of Cement Concrete Incorporating Silica Fume
Seung-Tae Lee, Seung-Heun Lee1
Department of Civil Engineering, Kunsan National University
1Department of Materials Science and Engineering, Kunsan National University
This paper presents the results of experimental work on both mechanical properties and durability of concrete or mortar incorporating silica fume. The aim of this study was to investigate the effect of replacement of silica fume on the performance of hardened concrete or mortar. The replacement levels of silica fume that replaced cement in this work were 0%, 5%, 10% and 15%, respectively. The results of this study indicate that both mechanical properties and durability of concrete are greatly dependent on the replacement levels of silica fume. As the replacement level of silica fume increased, the mechanical properties including compressive and flexural strengths, and static modulus of elasticity were proportionally enhanced. Furthermore, it was found that silica fume had some beneficial effects on the resistances to both chloride ions penetration and sodium sulfate attack. However, it exhibited poor resistances to both freezing-thawing action and magnesium sulfate attack.
Key words: Silica fume, Mechanical properties, Durability, Concrete
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