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2022 Vol.64, Issue 4 Preview Page
Strength Evaluation of Concrete Containing Ferronickel Slag Aggregate

페로니켈 슬래그 잔골재가 혼입된 콘크리트의 강도 평가

Min Guen Choia
,
Jin-Su Sona
,
Bong suk Chob
,
Jin-Young Leec†
최 민건a
,
손 진수a
,
조 봉석b
,
이 진영c†
aMS Student, Major in Agricultural Civil Engineering, School of Agricultural Civil & Bio-Industrial Engineering, Kyungpook National University
bPrincipal Researcher, RIST Resources Recycling Cell
cAssociate Professor, School of Agricultural Civil & Bio-Industrial Engineering, Kyungpook National University
a경북대학교 농생명산업공학부 농업토목공학과 석사과정 학생
bRIST 자원 재활용 셀 수석 연구원
c경북대학교 농생명공학부 부교수
† Corresponding author Tel.: 053-950-5733 E-mail: jinyounglee@knu.ac.kr
2022. pp. 65-72
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Abstract

For sustainable development in the construction industry, blast furnace slag has been used as a substitute for cement in concrete. In contrast, ferronickel slag, which is the by-product generated during smelting to ferronickel used in the manufacturing of stainless steel and nickel alloys, has a limitation to use as a binder and an aggregate due to its expansive characteristics. Recently, stabilization technology of ferronickel slag has been improved and studies have been carried out to utilize ferronicke slag as fine aggregate in concrete. Therefore, in this study, basic mechanical properties of concrete used in ferronickel slag aggregate was evaluated. The compressive strength (24, 30, 40 MPa) and replacement rate of ferronickel slag aggregate (0, 10, 25, 50%) were considered as experimental variables. As a result of test, concrete replaced fine aggregate with 25% ferronickel slag aggregate showed superior performance in the compressive strength and flexural strength.

Keywords
Ferronickel Slag aggregate
slag concrete
compressive strength
flexural strength
References

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Information
  • Publisher :The Korean Society of Agricultural Engineers
  • Publisher(Ko) :한국농공학회
  • Journal Title :Journal of Korean Society of Agricultural Engineers
  • Journal Title(Ko) :한국농공학회논문집
  • Volume : 64
  • No :4
  • Pages :65-72
  • Received Date : 2022-05-02
  • Revised Date : 2022-07-08
  • Accepted Date : 2022-07-12
  • DOI :https://doi.org/10.5389/KSAE.2022.64.4.065
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