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Phosphate-PCM계 복합물질 기반 저발열 콘크리트의 특성 평가
기전도 ( Ki Jun-do ),이상현 ( Lee Sang-hyun ),조홈범 ( Cho Hong-bum ),김영선 ( Kim Young-sun ),석원균 ( Seok Won-kyun ) 한국건축시공학회 2020 한국건축시공학회 학술발표대회 논문집 Vol.20 No.1
This study aims to develop the hydration heat reducing material (powder type) to lower the heat of hydration of mass members in the extremely hot weather condition. In this study, we applied the developed material to the concrete that used two kinds of binders with cement and evaluate the concrete properties with it.
타일 시멘트 전단접착강도와 인장부착강도 비교 및 인발부착강도 타일커팅 영향에 관한 실험적 평가
이상현 ( Lee Sang-hyun ),기전도 ( Ki Jun-do ),조홈범 ( Cho Hong-bum ),김영선 ( Kim Young-sun ),문형재 ( Moon Hyung-jae ),전현수 ( Jeon Hyun-su ) 한국건축시공학회 2021 한국건축시공학회 학술발표대회 논문집 Vol.21 No.1
Selecting a proper tile cement for ceramic tile is important to secure tile construction quality. But there is some ambiguity in standards about evaluating adhesion test such as using KS L 1593 in Lab test but using KS L 1592 in site. So, this study aims to how to select proper tile cement for securing adhesion strength in site considering both tensile and shear adhesion strength of cement for ceramic tile. Also, when doing tensile adhesion test in site, there may be adhesion drop because of cutting tile with grinder. As a result, drop of adhesion strength is about 9% ans quality manager consider these factor and should select proper tile cement.