Progressive Collapse Evaluation of High Rise Steel Structures due to Sudden Loss of Structural Members
Stephen, D. Ye, J. Lam, Dennis
Stephen, D.
Ye, J.
Lam, Dennis
Publication Date
2012
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Abstract
Damage or instantaneous loss of critical structural members due to unforeseen events like impact, blast and natural disasters often propagates progressive collapse as a result of complex redistribution of stresses within the structural system. In severe conditions, in which the structure lacks the ability to absorb the stresses in seeking a new equilibrium state, it could result in partial or total collapse of the building. Current design guidelines such as GSA 2003 recommend single removal of load bearing member for progressive collapse assessment. However, triggering events may affect one or more structural member resulting in partial or total collapse of the structure. This paper presents the various effect of sudden column loss on the redistribution of forces in structural members that determine the equilibrium state of the structure.
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Stephen D, Ye J and Lam D (2012) Progressive Collapse Evaluation of High Rise Steel Structures due to Sudden Loss of Structural Members. In: Proceedings of the 10th International Conference on Advances in Steel Concrete Composite and Hybrid Structures by JYR Liew and SC Lee (Eds.). ICASCCHS, 2-4 July, 2012, Singapore.
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