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J. Korean Ceram. Soc. > Volume 22(2); 1985 > Article
Journal of the Korean Ceramic Society 1985;22(2): 33.
$C_4A_3bar{S}$계 클린커 및 하소돌로마이트를 자극제로 한 고환산염 슬라그 시멘트의 수화반응
박춘근, 최상홀
한양대학교 무기재료공학과
Hydration of Supersulphated Slag Cement with $C_4A_3bar{S}$ type Clinker and Calcined Dolomite as Activator
ABSTRACT
The hydration of supersulphated slag cement which is the mixture of granuloated blast furnace slag anhydrite $C_4A_3$ type clinker and calcined dolomite was studied by X-ray diffraction differential thermal analysis scanning electron microscope observation and measurement of the rate of heat liberation. The main hydrates were ettrigite and C-S-H. This supersulphated slag cement enhanced rapid-hardening and increased in strength at early stage due to the much of ettrigite. Furthermore the hardened cement became stronger due to the C-S-H that was produced from the hydration of the $eta$-$C_2S$ in $C_4A_3$ type clinker and the hydration of the dissolved components from slag at later period.
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