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논문 기본 정보

자료유형
학술저널
저자정보
Shehdeh Ghannam (Wadi Seer Engineering College Balqa’ Applied University Jordan) Yahia Abdel Jawad (Faculty of Engineering and Technology University of Science and Technology) Yasser Hunaiti (Faculty of Engineering and Technology University of Jordan)
저널정보
국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.4 No.1
발행연도
2004.1
수록면
1 - 8 (8page)

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Tests on steel tubular columns of square, rectangular and circular section filled with normal and lightweight aggregate concrete were conducted to investigate the failure modes of such composite columns. Thirty-six full scale columns filled with lightweight and normal weight aggregate concrete, eighteen specimens for each, were tested under axial loads. Nine hollow steel sections of similar specimens were also tested and results were compared to those of filled sections. The test results were illustrated by a number of load-deflection and axial deformation curves. The results showed that both types of filled columns failed due to overall buckling, while hollow steel columns failed due to bulging at their ends (local buckling). According to the above-mentioned results, and due to low specific gravity and thermal conductivity of the lightweight concrete the further interest should be concentrated in replacing the normal concrete by the lightweight aggregate concrete.

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