Advances in concrete construction

  • 제16권5호
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  • Pages.231-241
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  • 2023
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  • 2287-5301(pISSN)
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  • 2287-531X(eISSN)
테크노프레스 (Techno-Press)
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DOI QR코드

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Evaluation criteria for filling performance of high-flowing concrete using steel-concrete panel

  • Dong Kyu Lee (Department of Safety Engineering, Dongguk University-Gyeongju) ;
  • Jae Seon Kim (National Disaster Management Research Institute) ;
  • Myoung Sung Choi (Department of Civil and Environmental Engineering, Dankook University)
  • 투고 : 2023.08.22
  • 심사 : 2024.04.24
  • 발행 : 2023.11.25
⟨ 이전 논문 다음 논문 ⟩

초록

The purpose of this study was to evaluate the practical application of high-flowing concrete for a steel-concrete panel (SCP) module for a liquefied natural gas (LNG) storage tank. We evaluated the physical properties and filling performance of the developed concrete for the SCP module. First, slump tests were performed to evaluate the performance of the proposed standards for the filling tests. All the concrete mixes showed satisfactory performance. Based on the results of the previous study, the reliability of the required time measured using the T500 test and the rheometer results measured before and after pumping was 0.94, indicating that segregation and blocking should not occur. L-box and U-box tests were conducted before and after pumping. All the recommended standards showed satisfactory performance. The SCP structural module for LNG storage tanks was fabricated to a full scale to evaluate its practical application at the final site. Satisfactory filling performance was confirmed for all the specimens.

키워드

과제정보

This research is supported by the Korea Agency for Infra-structure Technology Advancement (KAIA) grant funded by the Ministry of Land, Infrastructure and Transport (Grant 22CFRP-C163381-02).

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