Effect of Hysteretic Models on Seismic Behavior of Existing RC Structures
Publication: Journal of Performance of Constructed Facilities
Volume 29, Issue 6
Abstract
The aim of this study is to investigate the effect of hysteretic models on displacement demands of reinforced concrete (RC) structures having various irregularities and determine more proper hysteretic models for different types of RC structures. The RC structures having irregularities such as soft story and overhang were analyzed with nonlinear pushover and nonlinear time-history methods. Concrete compressive strength, stirrup amount, and the number of stories for the structures were variable parameters. Totally, 25,664 analyses were carried out. Displacement capacities and performance levels of structures were determined using nonlinear pushover analysis. Exceedance ratios of performance levels and displacements demanded from the structures of 100 severe ground motions that occurred worldwide were obtained using nonlinear time-history analysis (NTHA). In NTHA, various hysteretic models were used to define inelastic behavior of RC structures. The analyses show that the hysteretic models have a significant effect on displacement demands of RC structures. Finally, proper hysteretic models are suggested according to the type of structure and purpose of occupancy.
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Acknowledgments
The authors are grateful to Professor Mehmet Inel from Pamukkale University and Assistant Professor Hayri Baytan Ozmen from Uşak University for their significance contributions.
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Information & Authors
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Published In
Journal of Performance of Constructed Facilities
Volume 29 • Issue 6 • December 2015
Copyright
© 2014 American Society of Civil Engineers.
History
Received: Feb 27, 2014
Accepted: Jul 10, 2014
Published online: Sep 24, 2014
Discussion open until: Feb 24, 2015
Published in print: Dec 1, 2015
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