Constitutive Model for Cyclic Response of Structural Steels with Yield Plateau
Publication: Journal of Structural Engineering
Volume 137, Issue 2
Abstract
A rate-independent cyclic plasticity model for structural steels with a yield plateau is proposed. The model couples nonlinear kinematic hardening with a memory surface in the plastic strain space, to account for the progressive cyclic hardening/softening effects and a pseudomemory surface in the deviatoric stress space to correctly describe the plateau response. A simple identification procedure to calibrate the material dependent parameters is outlined and the accuracy of the proposed model is verified against experimental data available in the literature for proportional and nonproportional loading paths.
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Acknowledgments
The writers gratefully acknowledge the partial support by the National Science Foundation through Grant No. NSFCMS-0201371, and Dr. Peter Chang and Dr. Steven McCabe, program directors.
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Published In
Journal of Structural Engineering
Volume 137 • Issue 2 • February 2011
Pages: 195 - 206
Copyright
© 2011 ASCE.
History
Received: Oct 9, 2009
Accepted: Jul 15, 2010
Published online: Aug 2, 2010
Published in print: Feb 2011
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