Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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Effect of Mineral Composition, Fineness, SO3 Contents in High Early Strength Cement and on the Compressive Strength of Mortar and Concrete

조강형 시멘트의 광물조성, 분말도, SO3 함량이 모르타르 및 콘크리트 압축강도에 미치는 영향

  • Received : 2021.11.08
  • Accepted : 2022.02.07
  • Published : 2022.02.28
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Abstract

High Early Strength cement (HEC) develops strength faster than Ordinary Portland cement (OPC) and is different in mineral composition, fineness, and chemical composition. This study statistically analyzes the effect of mineral composition, fineness, and chemical composition of 36 HEC samples produced in a single cement plant on the compressive strength of mortar and concrete. The results reflect that Blaine had the most positive effect on the 1-day compressive strength of both mortar and concrete, but the increase of Blaine showed a negative effect on the 28-day compressive strength and concrete slump. The contents of C3S showed the most significant effect on the 28-day compressive strength. Additionally, there was no significant correlation between the 1-day and the 28-day compressive strength of HEC.

Keywords

Acknowledgement

이 연구는 2021년도 한국산업기술평가관리원의 연구비 지원에 의한 연구개발사업 결과의 일부임. 과제번호 : 20110616

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