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Stress-strain model for light-gauge steels with yield plateau prior to strain hardening
W. M. Quach; J. F. Huang
2012
Conference Namethe 10th International Conference on Advances in Steel Concrete Composite and Hybrid Structures (ASCCS2012)
Source PublicationProceedings of the 10th International Conference on Advances in Steel Concrete Composite and Hybrid Structures (ASCCS2012)
Pages154-162
Conference Date2– 4,July 2012
Conference PlaceSingapore
Abstract

Advanced modelling for steel structures requires the knowledge of the material stress-strain behaviour over the full range of strains. Light-gauge steel sheets and members are usually produced by cold rolling, and some may undergo subsequent annealing process. Cold-rolled carbon steels usually possess the round-house type fully nonlinear stress-strain behaviour, while cold-reduced annealed steel sheets and steels with a small amount of cold work from forming show sharp yielding or initial gradual yielding with subsequent yield plateau prior to strain hardening. This paper presents a new stress-strain model for these light-gauge steels with yield plateau, which is able to describe the stress-strain relationship over the full range of tensile strains up to the ultimate point by using only three basic Ramberg-Osgood parameters. In the present study, the stress-strain data from existing literatures have been collected and analyzed. The model has been developed by a careful interpretation of these existing experimental data. The accuracy of the proposed model has been demonstrated by comparing its predictions with experimental stress-strain curves.

DOIhttp://doi.org/10.3850/978-981-07-2615-7_161
Language英语
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Document TypeConference paper
专题Faculty of Science and Technology
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
AffiliationDepartment of Civil and Environmental Engineering, University of Macau, Macau, China
First Author AffilicationUniversity of Macau
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W. M. Quach,J. F. Huang. Stress-strain model for light-gauge steels with yield plateau prior to strain hardening[C],2012:154-162.
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