Journal of Advanced Concrete Technology
Scientific paper
Physical and Thermal Properties of Concrete Subjected to High Temperature
Norichika KakaeKeiichi MiyamotoTakahiro MommaShohei SawadaHitoshi KumagaiYukiharu OhgaHideo HiraiTetsuo Abiru
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Volume 15 (2017) Issue 6 Pages 190-212

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Abstract

The physical and thermal properties of concrete under high temperature are obtained in order to provide reference data for material models necessary to evaluate the structural integrity of steel plate concrete containment vessels (SCCV) under accident conditions. Various parameters, such as temperature, heating duration, temperature history (heating, cooling, and the post-cooling process), water binder ratio, cement type, and aggregate type, are considered. Data on the temperature dependence of physical properties (compressive strength, elastic modulus, strain at compressive strength, splitting tensile strength) and thermal properties (thermal expansion strain, specific heat, thermal conductivity) are obtained from concrete of the same mix proportion. The effects of the variables on the properties of concrete are clarified, and the differences between test results and existing codes, such as the Eurocode, are highlighted.

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© 2017 by Japan Concrete Institute
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