Journal of the Korean Society of Safety (한국안전학회지)

The Korean Society of Safety (한국안전학회)
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Guideline for Filling Performance of Concrete for Modular LNG Storage Tanks

모듈형 LNG 저장탱크용 콘크리트 충전성능 가이드라인 제시

  • Lee, Dong Kyu (Department of Safety Engineering, College of Engineering, Dongguk university) ;
  • Lee, Keon Woo (Department of Safety Engineering, College of Engineering, Dongguk university) ;
  • Park, Gi Joon (Korea Institute of Civil Engineering and Building Technology) ;
  • Kim, Sung Wook (Korea Institute of Civil Engineering and Building Technology) ;
  • Park, Jung Jun (Korea Institute of Civil Engineering and Building Technology) ;
  • Kim, Young Jin (Korea Concrete Institute Research Center, The Korea Science & Technology Center) ;
  • Choi, Myoung Sung (Department of Safety Engineering, College of Engineering, Dongguk university)
  • 이동규 (동국대학교 안전공학과) ;
  • 이건우 (동국대학교 안전공학과) ;
  • 박기준 (한국건설기술연구원 구조융합연구소) ;
  • 김성욱 (한국건설기술연구원 구조융합연구소) ;
  • 박정준 (한국건설기술연구원 구조융합연구소) ;
  • 김영진 (콘크리트공학연구소) ;
  • 최명성 (동국대학교 안전공학과)
  • Received : 2018.02.08
  • Accepted : 2018.03.21
  • Published : 2018.04.30
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Abstract

Recently, the use of composite steel plate concrete structural modules filled with concrete between steel plates of complex internal structure, in which a large amount of studs are installed, is increasing in order to reduce the weight and to increase workability of structures such as LNG storage tanks. However, in Korea, there is no systematic criterion for evaluating the construction performance of composite steel plate concrete structural modules. Therefore, in this study, we propose a filling guideline of concrete for composite steel plate structural module. For this purpose, high filling performance concrete with general strength range was formulated and tested for filling ability and permeability for each formulation. Rheology analysis was performed to quantitatively evaluate the flow characteristics of concrete. The reliability of $T_{500}$ and plastic viscosity was evaluated to reflect the results of each test, and a guideline for high filling concrete satisfying the reliability of 0.9 or more was derived by reflecting the results of the study on the relationship between the $T_{500}$ and plastic viscosity. Through final fill-box test, filling performance was verified and guidelines were suggested.

Keywords

References

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