Load Path Effects in Circular Steel Columns under Bidirectional Lateral Cyclic Loading
Publication: Journal of Structural Engineering
Volume 141, Issue 5
Abstract
Rigorous numerical analyses are conducted to study the effects of bidirectional lateral cyclic loading on the hysteretic response of stocky circular thin-walled steel columns. Four unidirectional and eight bidirectional lateral displacement controlled load paths are considered; different performance indices obtained from the lateral load paths under consideration are compared. The results obtained from these comprehensive numerical analyses indicate that bidirectional lateral cyclic loading has a very limited effect on the ultimate strength of stocky circular thin-walled steel columns, but significantly decreases the ductility when compared with unidirectional lateral loading.
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Acknowledgments
The authors gratefully acknowledge the partial support by the National Science Foundation through Grant CMS-0201371, Dr. Peter Chang and Dr. Steven McCabe, Program Directors.
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Information & Authors
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Published In
Journal of Structural Engineering
Volume 141 • Issue 5 • May 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Mar 12, 2013
Accepted: Feb 21, 2014
Published online: Jul 17, 2014
Discussion open until: Dec 17, 2014
Published in print: May 1, 2015
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