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J. Korean Ceram. Soc. > Volume 34(5); 1997 > Article
Journal of the Korean Ceramic Society 1997;34(5): 449.
초속경성 시멘트 모르타르 그라우트재 특성에 관한 연구
한일시멘트 공업(주) 대전연구소
The Study of Properties for Quick Cement Mortar Grouts
Quick hardened property and compressive strength experimented to the C4A3 quantities. Workability experimented to the hydration behavior as retarder added to the C4A3. Compressive strength reached {{{{ delta }}3h=300~350 kgf/$textrm{cm}^2$, {{{{ delta }}6h=400~450 kgf/$textrm{cm}^2$, {{{{ delta }}24h=500~550 kgf/$textrm{cm}^2$. Flow loss rate reached 70.1% to retarder addition 0.12% after 15 min. Test items were SEM, XRD, TG-DTA, MCC, porosity and zeta potential.
Key words: Quick hardened cement mortar grouts, Retarder, Anhydrite
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