Strength and Stiffness of Conventional Bridging Systems for Cold-Formed Cee Studs
Publication: Journal of Structural Engineering
Volume 132, Issue 4
Abstract
A testing program has been carried out on typical bridging components and connections used in North American practice to provide bracing to cold-formed lipped cee-studs, in order to determine the in-plane and out-of-plane strength and stiffness of the bridging components and connections. Bridging systems tested included cold-formed bridging channels directly welded to the stud, bridging channels connected to the stud web through a welded connection to a clip angle, and bridging channels connected to the stud web through a screwed connection to a clip angle. Bridging connections were loaded axially (into the stud web) and laterally (parallel to the stud web). Separate analysis of the test results indicates that, within the range tested, conventional bridging used in current North American practice has adequate stiffness and strength to brace axially loaded and curtain wall steel studs.
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Acknowledgments
The research was conducted at the Structural Testing Laboratory at Department of Civil and Coastal Engineering, University of Florida, Gainesville. This research was funded by the American Iron and Steel Institute (AISI) and the Steel Stud Manufacturers Association (SSMA). Test specimens were donated by SteelCon and Dietrich Industries.
References
Green, P. S., Sputo, T., and Urala, V. (2004). “Lateral-torsional bracing of cold-formed cee-studs.” Final Rep. submitted to the American Iron and Steel Institute, P.O. No. CM-261, Dept. of Civil and Coastal Engineering, Univ. of Florida, Gainesville, Fla.
Urala, V. (2004). “Bracing requirements of cold-formed steel cee-studs subjected to axial compression.” ME thesis, Univ. of Florida, Gainesville, Fla.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 132 • Issue 4 • April 2006
Pages: 550 - 557
Copyright
© ASCE.
History
Received: Jan 25, 2005
Accepted: Apr 20, 2005
Published online: Apr 1, 2006
Published in print: Apr 2006
Notes
Note. Associate Editor: Benjamin W. Schafer
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