Experiments and Simulations of Cold-Formed Steel Wall Assemblies Using Corrugated Steel Sheathing Subjected to Shear and Gravity Loads
Publication: Journal of Structural Engineering
Volume 143, Issue 3
Abstract
The paper presents experimental and numerical investigation of cold-formed steel (CFS)–framed walls sheathed with corrugated steel sheets. The new wall technology is considered as an alternative shear wall configuration for midrise buildings at strong earthquake and high-wind regions because of its attributes of noncombustibility and higher structural performance than the conventional shear wall types. However, design provisions of such corrugated sheathed CFS-framed shear walls have not been included in the current design standards. To establish comprehensive database information and to observe the performance of the bearing wall for the first time, a test program of full-scale wall assemblies using corrugated steel sheathing was conducted. The test specimens included both shear wall specimens and bearing wall specimens under lateral and vertical/gravity loading. In accordance with the full-scale tests, a numerical model was developed in a computer program, and seismic performance assessment was evaluated through nonlinear time history analysis, i.e., incremental dynamic analysis using a methodology proposed by FEMA. The paper presents the results of the experiments and numerical simulations and produces appropriate seismic performance factors for this new lateral-resisting system.
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Acknowledgments
This paper was prepared as part of the U.S. National Science Foundation grant, NSF-CMMI-0955189: Comprehensive Research on Cold-Formed Steel Sheathed Shear Walls, Special Detailing, Design, and Innovation. Project updates are available at http://www.etec.unt.edu/public/cyu. The research was also partially supported by the Chinese National Science Foundation Grant No. 51538002. Any opinions, findings, and conclusions or recommendations expressed in this article are those of the authors and do not necessarily reflect the views of the sponsors.
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Published In
Journal of Structural Engineering
Volume 143 • Issue 3 • March 2017
Copyright
©2016 American Society of Civil Engineers.
History
Received: Mar 24, 2016
Accepted: Aug 17, 2016
Published online: Oct 17, 2016
Published in print: Mar 1, 2017
Discussion open until: Mar 17, 2017
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