Journal of the Korea Institute of Building Construction (한국건축시공학회지)

The Korean Institute of Building Construction (한국건축시공학회)
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A Study on the Effect of Admixture Types and Replacement Ratio on Hydration Heat Reduction of High-Strength Concrete

고강도 콘크리트의 수화열 저감에 미치는 혼화재 종류 및 대체율의 영향에 관한 연구

  • 김무한 (충남대학교 건축공학과) ;
  • 최세진 (충남대학교 대학원 건축공학과) ;
  • 오시덕 (충남대학교 대학원 건축공학과) ;
  • 김용로 (충남대학교 대학원 건축공학과) ;
  • 이종호 (충남대학교 대학원 건축공학과)
  • Published : 2002.05.01
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Abstract

The hydration of cement paste occurs when the cement is miked with water. During the hydration, hydration heat causes the thermal stress depending on the site of concrete and the cement content. Especially in the high-strength concrete, we must give care to the concrete due to its large cement content. In this study conduction calorimeter and concrete insulation hydration heat meter were used to investigation the hydration heat characteristics of cement and concrete. To reduce hydration heat of high-strength concrete, several types of replacement of fly-ash and blast-furnace slag powder were used in this experiment. As a result of this study, it was found that hydration heat of high-strength concrete was reduced by replacement of fly-ash and blast-furnace slag powder. In case of high-strength concrete using blast-furnace slag powder, the max-heat arrival time was delayed but an effect of heat reduction was lower than a case of high-strength concrete using fly-ash, because it was considered that the heat-dependence property of blast-furnace slag powder was higher than that of fly-ash.

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References

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Cited by

  1. Properties of Hydration Heat of High-Strength Concrete and Reduction Strategy for Heat Production vol.12, pp.2, 2012, https://doi.org/10.5345/JKIBC.2012.12.2.203