Residual Compressive Strength of Flange-Damaged Steel Columns
Publication: Journal of Structural Engineering
Volume 141, Issue 10
Abstract
The axial compressive strength of flange-damaged steel columns is studied using an equilibrium-based analytical approach. Compared to a related investigation that employed a variational technique, the presented model shows similar trends regarding severely reduced axial compressive strength associated with local flange damage. An empirical equation based on a parametric study performed using the developed technique is proposed as a tool that can be used by practicing engineers to determine a quick and reasonable approximation of the capacity of locally flange-damaged steel columns. The developed equation is validated using detailed finite-element analysis.
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Acknowledgments
This material is partly based upon work supported by the National Science Foundation (NSF) Graduate Student Research Fellowship under Grant DGE 0718128. The work was also supported by the University of Michigan, Tanta University, Egypt, and US NSF Grant CMMI-1344372. Any opinions, findings, conclusions, and recommendations expressed in this paper are those of the authors and do not necessarily reflect the views of the sponsors.
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Information
Published In
Journal of Structural Engineering
Volume 141 • Issue 10 • October 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Apr 10, 2014
Accepted: Nov 14, 2014
Published online: Dec 19, 2014
Discussion open until: May 19, 2015
Published in print: Oct 1, 2015
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