Heat of hydration characteristics on high-performance concrete for large dimensional tunnel linings

대단면 터널 라이닝 적용 고성능 콘크리트의 수화열 특성

  • 민경환 (고려대학교 건축. 사회환경공학부) ;
  • 정형철 (고려대학교 건축. 사회환경공학부) ;
  • 양준모 (고려대학교 건축. 사회환경공학부) ;
  • 윤영수 (고려대학교 건축. 사회환경공학부)
  • Published : 2009.03.27

Abstract

In this study, experiments of development and application of 50 MPa high-performance concrete are performed for large dimensional tunnel linings. In order to produce 50MPa high-performance concrete, eight optimal mixtures replacing with fly ash and ground granulated blast furnace slag up to 50 percent of type I Portland cement were selected then tests for mechanical properties and simple adiabatic temperature rise tests were carried out. And in order to assess the quantitative characteristics of heat of hydrations of developed mixtures, three mixtures that the type I Portland cement (OPC) and each one mixture of binary and ternary mixtures (BS30, F15S35) were reselected, then the adiabatic temperature rise tests and mock-up tests were performed. Consequently, the comparisons between the results of mock-up tests and finite element analysis can be enhanced the reliability of analyzing routines of thermal behaviours of the developed high-performance concrete.

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