Proceedings of the Korean Institute of Building Construction Conference (한국건축시공학회:학술대회논문집)

The Korean Institute of Building Construction (한국건축시공학회)
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Cracking Behavior of Cement and Concrete Damaged by High Temperature of 800℃

800℃ 조건에서의 시멘트 경화체의 균열 특성

  • 지우람 (한국교통대학교 건축공학과) ;
  • 박지웅 (한국교통대학교 건축공학과) ;
  • 신기돈 (한국교통대학교 건축공학과) ;
  • 이건철 (한국교통대학교 건축학부)
  • Published : 2017.05.17
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Abstract

In this study, the cracking characteristics of cured pastes at 800℃ were investigated by X-ray CT. The test specimens were fabricated with and without aggregate, and the heating rate condition was applied at rapid heating (10.0℃/min). It is considered that the rapid heating condition does not cause a temperature gradient phenomenon because the temperature difference between the surface and the center of the sample is small due to a low heating rate unlike an actual fire. The cracking condition of the specimens without aggregate was more severe than that of specimens with aggregate.

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