Temperature History of Concrete exposed to Extremely Cold Weather with the Variation of Capacity of Heating Coil

열선 전력 용량에 따른 극한온도 조건에서의 콘크리트 온도이력 특성

  • Published : 2012.11.16

Abstract

This paper is to report the results of mock-up test for concrete during severe cold weather. The temperature is fixed at -20℃. The mock-up specimens were fabricated simulating slab, wall and column. Heating coil with different heat capacity with 5 W and 15 W were embedded at slab specimen. Test results revealed that at -20℃, temperature dropped below 0℃ since around 70 hours. It takes 7 days to gain 45°D·D of maturity for avoiding frost damage at early age.

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