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Blast loading of small-scale circular RC columns using an explosive-driven shock tube

Mohamed Ben Rhouma, Azer Maazoun (UGent) , Aldjabar Aminou, Bachir Belkassem, Ignaas Vandenbruwane (UGent) , Tine Tysmans and David Lecompte
(2024) BUILDINGS. 14(4).
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Abstract
Reinforced concrete (RC) columns, being axial-bearing components in buildings, are susceptible to damage and failure when subjected to blast loading. The failure of these columns can trigger a progressive collapse in targeted buildings. The primary objective of this study is to investigate the failure characteristics of laboratory-scale RC columns subjected to localized blast loading. The columns, with a length of 1500 mm and an outer diameter of 100 mm, are reinforced with 6 mm diameter longitudinal bars and 2 mm diameter steel ties. The blast loading is generated using an explosive-driven shock tube (EDST) positioned in front of the mid-span of the RC columns with a 30 g and 50 g charge. To capture the global response of the RC columns, high-speed stereoscopic DIC is used in addition to LVDTs. Furthermore, an FE model is developed using LS-DYNA R10.0 and validated against the experimental data. The results show that the proposed FE approach is able to reproduce the applied blast loading and the failure characteristics of the columns. The relative difference in column mid-span out-of-plane displacement between the FE model and the average measured data lies below 5%. Finally, the gray correlation method is conducted to assess the influence of various parameters on the blast resistance of the RC columns.
Keywords
laboratory-scale RC column, numerical analysis, blast response, high-speed stereoscopic DIC, EDST, gray correlation method, REINFORCED-CONCRETE COLUMNS, CLOSE-IN EXPLOSION, SIMULATION, CYLINDERS, IMPULSE, PLATES, DAMAGE

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MLA
Rhouma, Mohamed Ben, et al. “Blast Loading of Small-Scale Circular RC Columns Using an Explosive-Driven Shock Tube.” BUILDINGS, vol. 14, no. 4, 2024, doi:10.3390/buildings14040921.
APA
Rhouma, M. B., Maazoun, A., Aminou, A., Belkassem, B., Vandenbruwane, I., Tysmans, T., & Lecompte, D. (2024). Blast loading of small-scale circular RC columns using an explosive-driven shock tube. BUILDINGS, 14(4). https://doi.org/10.3390/buildings14040921
Chicago author-date
Rhouma, Mohamed Ben, Azer Maazoun, Aldjabar Aminou, Bachir Belkassem, Ignaas Vandenbruwane, Tine Tysmans, and David Lecompte. 2024. “Blast Loading of Small-Scale Circular RC Columns Using an Explosive-Driven Shock Tube.” BUILDINGS 14 (4). https://doi.org/10.3390/buildings14040921.
Chicago author-date (all authors)
Rhouma, Mohamed Ben, Azer Maazoun, Aldjabar Aminou, Bachir Belkassem, Ignaas Vandenbruwane, Tine Tysmans, and David Lecompte. 2024. “Blast Loading of Small-Scale Circular RC Columns Using an Explosive-Driven Shock Tube.” BUILDINGS 14 (4). doi:10.3390/buildings14040921.
Vancouver
1.
Rhouma MB, Maazoun A, Aminou A, Belkassem B, Vandenbruwane I, Tysmans T, et al. Blast loading of small-scale circular RC columns using an explosive-driven shock tube. BUILDINGS. 2024;14(4).
IEEE
[1]
M. B. Rhouma et al., “Blast loading of small-scale circular RC columns using an explosive-driven shock tube,” BUILDINGS, vol. 14, no. 4, 2024.
@article{01HYEFSG4JAVJHCWH63PAT9RW6,
  abstract     = {{Reinforced concrete (RC) columns, being axial-bearing components in buildings, are susceptible to damage and failure when subjected to blast loading. The failure of these columns can trigger a progressive collapse in targeted buildings. The primary objective of this study is to investigate the failure characteristics of laboratory-scale RC columns subjected to localized blast loading. The columns, with a length of 1500 mm and an outer diameter of 100 mm, are reinforced with 6 mm diameter longitudinal bars and 2 mm diameter steel ties. The blast loading is generated using an explosive-driven shock tube (EDST) positioned in front of the mid-span of the RC columns with a 30 g and 50 g charge. To capture the global response of the RC columns, high-speed stereoscopic DIC is used in addition to LVDTs. Furthermore, an FE model is developed using LS-DYNA R10.0 and validated against the experimental data. The results show that the proposed FE approach is able to reproduce the applied blast loading and the failure characteristics of the columns. The relative difference in column mid-span out-of-plane displacement between the FE model and the average measured data lies below 5%. Finally, the gray correlation method is conducted to assess the influence of various parameters on the blast resistance of the RC columns.}},
  articleno    = {{921}},
  author       = {{Rhouma, Mohamed Ben and Maazoun, Azer and Aminou, Aldjabar and Belkassem, Bachir and Vandenbruwane, Ignaas and Tysmans, Tine and Lecompte, David}},
  issn         = {{2075-5309}},
  journal      = {{BUILDINGS}},
  keywords     = {{laboratory-scale RC column,numerical analysis,blast response,high-speed stereoscopic DIC,EDST,gray correlation method,REINFORCED-CONCRETE COLUMNS,CLOSE-IN EXPLOSION,SIMULATION,CYLINDERS,IMPULSE,PLATES,DAMAGE}},
  language     = {{eng}},
  number       = {{4}},
  pages        = {{28}},
  title        = {{Blast loading of small-scale circular RC columns using an explosive-driven shock tube}},
  url          = {{http://doi.org/10.3390/buildings14040921}},
  volume       = {{14}},
  year         = {{2024}},
}
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