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The Reduction of Maximum Hydration Temperature in Cement Paste Using Calcium Silicate Hydrates and Glucose

칼슘실리케이트 수화물과 포도당을 이용한 시멘트 페이스트의 최대 수화온도 저감

  • Moon, Hoon (Dept. of Architectural Engineering, Pukyong University) ;
  • Kim, Hyeong-Keun (Dept. of Architectural Engineering, Pukyong University) ;
  • Ryu, Eun-Ji (Dept. of Architectural Engineering, Pukyong University) ;
  • Jin, Eun-Ji (Dept. of Architectural Engineering, Pukyong University) ;
  • Chung, Chul-Woo (Dept. of Architectural Engineering, Pukyong University)
  • 문훈 (부경대학교 건축공학과) ;
  • 김형근 (부경대학교 건축공학과) ;
  • 류은지 (부경대학교 건축공학과) ;
  • 진은지 (부경대학교 건축공학과) ;
  • 정철우 (부경대학교 건축공학과)
  • Received : 2014.11.10
  • Accepted : 2015.03.02
  • Published : 2015.06.30

Abstract

In this study, a method to reduce temperature rise due to hydration in mass concrete is investigated. It is to use retarder (glucose) for reducing heat of hydration and to use calcium silicate hydrate (C-S-H) for compensating the retardation effect due to its role as a nucleation seed. For this purpose, the temperature rise of cement paste due to hydration was measured and the effect of using both C-S-H and glucose on setting and 28-day compressive strength of mortar specimens was investigated. According to the experimental results, using C-S-H and glucose caused the reduction in the maximum temperature but accelerated the time to reach the maximum temperature compared to that of retarded cement paste using glucose. In addition, using C-S-H and glucose did not show significant effect on 28-day compressive strength of mortar specimens, indicating that the method shown in this study can be a successful alternative to control maximum temperature rise in mass concrete.

Acknowledgement

Supported by : 부경대학교

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