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건조수축 저감형 유동화제를 사용한 콘크리트의 Mock-up 실험
신재경(Shin Jae-Kyung),오치현(Oh Chi-Hyun),최진만(Choi Jin-Man),이성연(Lee Seong-Yeun),한민철(Han Min-Cheol),한천구(Han Cheon-Goo) 한국구조물진단유지관리학회 2005 한국구조물진단학회 학술발표회논문집 Vol.9 No.2
This paper reports the results of Mock-up test for concrete using drying shrinkage reducing superplasticizer(DSRS) in order to evaluate the validity of DSRS. The use of DSRS results in an noticeable improvement in compressive strength compared with other concrete. Drying shrinkage of concrete using DSRS is lower than of conventional concrete by as much as 17% due to less water content and contribution of expansive additives to expansion of specimens. Drying shrinkage measured by contact gauge has the highest value at the thin section of the mock up member such as near the window. The use of DSRS can reduce drying shrinkage by as much as 15~30% comapared with conventional concrete member.