Proceedings of the Korea Concrete Institute Conference (한국콘크리트학회:학술대회논문집)

Korea Concrete Institute (한국콘크리트학회)
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A Study on Hydration Heat and Dry Shrinkage of High Durability / Strength Concrete for the Bridge Slab of Express Railway

고속철도 교량상판 슬래브용 고내구/고강도 콘크리트의 수화열 및 건조수축 특성 개선연구

  • 박정준 (쌍용중앙연구소 콘크리트연구실 연구원) ;
  • 백상현 (쌍용중앙연구소 콘크리트연구실 연구원) ;
  • 정재헌 (쌍용양회 특수시멘트 사업팀원) ;
  • 박경재 (SK건설(주) 고속철도 9-1 공구 현장품질시험실장) ;
  • 윤원기 (고속철도 9-1공구 현장소장) ;
  • 엄태선 (쌍용중앙연구소 콘크리트연구실 책임연구원(공학박사))
  • Published : 1999.10.01
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Abstract

The bridge slab of express railway was designed for high strength concrete (design strength 400kgf/$\textrm{cm}^2$). In case the slab is made with the concrete using type I cement, used much amount of cement can cause cracks through concrete by hydration heat or dry shrinkage. In this study we targeted to solve above problems using type III cement. We could decrease the cement ratio in concrete using type III cement than type I cement. The concrete using type III cement showed good workability and compressive strength, and showed better properties in hydration heat and dry shrinkage than that using type I cement

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