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

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 50 MPa 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.

keywords: High-performance concrete, heat of hydration, fly ash, blast furnace slag, adiabatic temperature rise test, mock-up test, 고성능 콘크리트, 수화열, 플라이애쉬, 고로슬래그미분말, 단열온도 상승실험, mock-up 실험

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Article Contents

Vol.11 No.1

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

Abstract

Reference

(사)한국터널지하공간학회