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J. Korean Ceram. Soc. > Volume 39(2); 2002 > Article
Journal of the Korean Ceramic Society 2002;39(2): 135.
doi: https://doi.org/10.4191/kcers.2002.39.2.135
Mechanochemical 표면처리한 Fly Ash 혼화 Concrete의 제조
이형직, 구자훈, 유인상, 송두규, 정해경, 권혁병, 윤상옥, 이형복1, 이홍림2
강릉대학교 세라믹공학과
1명지대학교 세라믹공학과
2연세대학교 세라믹공학과
Fabrication of Concrete Containing Mechanochemically Surface Treated(MST) Fly Ash
Hyung-Jik Lee, Ja-Hun Koo, In-Sang Yoo, Doo-Gyoo Song, Hae-Kyoung Joung, Hyouk-Byoung Kwon, Sang-Ok Yoon, Hyung-Bock Lee1, Hong-Lim Lee2
Department of Ceramic Engineering, Kangnung National University
1Department of Ceramic Engineering, Myongji University
2Department of Ceramic Engineering, Yonsei University
Fabrication of high strength structural concrete was investigated by using a mechanochemically Surface Treated Fly Ash(MSTFA) induced by mechanochemical processing through ball-milling of (90 wt% As Recevied Fly Ash(ARFA) + 10wt% cement) mixture, which was compared to the specimen fabricated by using As Received Fly Ash(ARFA) in terms with compressive strength and microstructures. The compressive strength of concrete specimen fabricated by using MSTFA represented 10-20% and 2-7% higher value than that for the case of using ARFA and BPFA in each cases. Increased compressive strength as above mentioned is considered to be caused by mutually increased affinity generated between cement and fly ash during mechanochemical processing.
Key words: Concrete, Fly ash, Mechanochemically surface processing, Compressive strength
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