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Steel and Composite Structures Volume 52, Number 2, July 25 2024 , pages 183-197 DOI: https://doi.org/10.12989/scs.2024.52.2.183 |
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Buckling behavior of bundled inclined columns: Experimental study and design code verification |
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Moussa Leblouba, Samer Barakat, Raghad Awad, Saif Uddin Al-Khaled, Abdulrahman Metawa and Abdul Saboor Karzad
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| Abstract | ||
| Not all structural columns maintain a vertical orientation. Several contemporary building structures have inclined columns, introducing distinct challenges, particularly in buckling behavior. This study examines the buckling behavior of inclined, thin-walled steel bundled columns, differing from typical vertical columns. Using specimens with three tubes welded to plates linearly aligned at the top and triangularly at the bottom, tests indicated that buckling capacity increases with tube wall thickness and diameter but decreases with column height. Inclined tubes in bundled columns showed improved buckling resistance over vertical ones. Results were verified against standard steel design guidelines to assess their predictive accuracy. | ||
| Key Words | ||
| buckling behavior; bundled column; inclined columns; steel; thin-walled | ||
| Address | ||
| Moussa Leblouba:Department of Civil & Environmental Engineering, College of Engineering, University of Sharjah, United Arab Emirates Samer Barakat:Department of Civil & Environmental Engineering, College of Engineering, University of Sharjah, United Arab Emirates Raghad Awad:Department of Civil & Environmental Engineering, College of Engineering, University of Sharjah, United Arab Emirates Saif Uddin Al-Khaled:Department of Civil & Environmental Engineering, College of Engineering, University of Sharjah, United Arab Emirates Abdulrahman Metawa:Department of Civil & Environmental Engineering, College of Engineering, University of Sharjah, United Arab Emirates Abdul Saboor Karzad:2Department of Civil Engineering, Faculty of Engineering, University of Ottawa, Canada | ||