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J. Korean Ceram. Soc. > Volume 26(6); 1989 > Article
Journal of the Korean Ceramic Society 1989;26(6): 729.
용융황 침투에 의한 콘크리트 구조물의 물성 증진에 관한 연구
김종국, 오준택, 설용건, 김우식
연세대학교 공과대학 화학공학과
Reinforcement of Concrete Structure by Impregnation of Molten Sulfur
This study aims to reinforce concrete structure by impregnation of molten sulfur. The improved properties of sulfur impregnated concerete were confirmed by compressive strength test and water proof effect. Following variables were adopted to evaluate impregnation parameters ; 1) the effect of water content in concrete structure (0-8%) 2) impregnation time of molten sulfur(0-22hr) 3) impregnation temprature of molten sulfur(13$0^{circ}C$, 14$0^{circ}C$). In partial ponding experiments, the concrete specimen of sulfur impregnated by 2wt% yields 1.5 times higher value of compressive strength than that of control one(non-impregnated concerte). In complete ponding experiments, the mortar specimen of slufur impregnated by 12-14wt% yields 2-3 times higher value of compressive strength than that of control one (non-impregnated mortar). From the examination of X-ray diffractions, $alpha$-sulfur was found in concrete pores. Homogeneous impregation of molten sulfur into concrete pores was also identified with poresize analysis and micrographs of SEM.
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