Journal of the Architectural Institute of Korea (대한건축학회논문집)

Architectural Institute of Korea (대한건축학회)
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Stability of Foaming Agent and Characteristics of Light-weight Foamed Concrete based on Blast Furnace Slag using CBS-dust

기포제의 안정성 및 CBS-dust를 활용한 고로슬래그 기반 경량 기포콘크리트의 특성

  • Kim, Jong-Kwon (Dept. of Architectural Engineering, Cheong-ju University) ;
  • Han, Jun-Hui (Dept. of Architectural Engineering, Cheong-ju University) ;
  • Oh, Yang-Ki (Dept. of Architectural Engineering, Mokpo National University) ;
  • Han, Min-Cheol (Dept. of Architectural Engineering, Cheong-ju University)
  • 김종권 (청주대학교 건축공학과) ;
  • 한준희 (청주대학교 건축공학과) ;
  • 오양기 (목포대학교 건축학과) ;
  • 한민철 (청주대학교 건축공학과)
  • Received : 2023.01.05
  • Accepted : 2023.02.14
  • Published : 2023.03.30
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Abstract

The objective of this study is to investigate the effect of foaming agents and the incorporation of CBS-dust as a binder of light-weight foam concrete with 0.5 t/m3 of density on the performances of light-weight foam concrete using image analysis by the foam analyzer. Four different types of foaming agent are adpoted including Cationic foaming agent(CF), Anionic foaming agent(AF), Fe-protein foaming agent(FF) and Synthetic foaming agent(SF). To invesitgate the foaming capability and stability, foam analyzer is used. For binder compositions of lightweight foam concrete, Chlorine bypass system-dust(CBS-dust), which is collected at the cement production process, and granulated blast furnace slag(GBFS) are incorporated with Ordinary Portland cement ranged from 15% to 65%, respectively to facilitate settlement of light-weight foamed concrete. Test results indicated that the combinations of the AF with 0.2% and 5% of CBS-dust as blast furnace slag-based binders contribute to improve the resistance to settlement, strength enhancement of light-weight foamed concrete.

Keywords

Acknowledgement

이 연구는 한국연구재단의 정부지원(과학기술정보통신부)으로 진행되었습니다. 과제번호 : NRF-2020R1A2C1015162

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