Strain-Hardening Behavior of Shear Panels Made of Low-Yield Steel. II: Model
Publication: Journal of Structural Engineering
Volume 121, Issue 12
Abstract
This paper proposes simple models that can simulate the hysteretic behavior of shear panels made of low-yield steel, which exhibits significant strain-hardening under load reversals. The models are based on either the bilinear or the Ramberg-Osgood model, and combine kinematic and isotropic hardening in a linear manner by the introduction of a weighting coefficient. The accuracy of these models is demonstrated by comparing hysteresis curves obtained from these models with experimental hysteresis curves, which have been supplied by a quasi-static loading test with a prescribed deformation history and by a pseudodynamic test. Programming of these models is found to be very easy, involving only slight modification of the programs developed for the bilinear and the Ramberg-Osgood models. Thus, these models can readily be incorporated into inelastic dynamic response analysis of structures having shear panels made of low-yield steel as hysteretic dampers.
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Copyright © 1995 American Society of Civil Engineers.
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Published online: Dec 1, 1995
Published in print: Dec 1995
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