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Advances in Concrete Construction Volume 16, Number 5, November 2023 , pages 231-241 DOI: https://doi.org/10.12989/acc.2023.16.5.231 |
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Evaluation criteria for filling performance of high-flowing concrete using steel-concrete panel |
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Dong Kyu Lee, Jae Seon Kim and Myoung Sung Choi
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| Abstract | ||
| 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. | ||
| Key Words | ||
| LNG storage tanks; rheology; standards; steel-concrete panel | ||
| Address | ||
| (1) Dong Kyu Lee: Department of Safety Engineering, Dongguk University-Gyeongju, 123 Dongdae-ro, Gyeongju 38066, Republic of Korea; (2) Jae Seon Kim: National Disaster Management Research Institute, Ulsan, 44538, Republic of Korea; (3) Myoung Sung Choi: Department of Civil and Environmental Engineering, Dankook University, Gyeonggido Jukjeon-ro 152, Republic of Korea. | ||
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