Behavior and Design of Thin-Walled Cold-Formed Steel Clip Angles Subjected to Shear Load
Publication: Journal of Structural Engineering
Volume 142, Issue 7
Abstract
Thin-walled cold-formed steel (CFS) clip angles are commonly used to connect CFS framing members or attach CFS members to the main building structure. The design provisions for CFS clip angle connectors have not been included in the AISI design specifications and standards. This paper presents a research project aimed at developing a design method for the thin-walled cold-formed steel load bearing clip angles subjected to shear forces. An extensive test program was conducted to investigate the behavior and shear capacity of clip angles with various dimensions and thicknesses. It was found that the local buckling and the distortional buckling could dominate the failure mechanism dependent on the plate slenderness ratio. Based on the test results, two design methods were developed for determining the nominal shear strength of load bearing clip angles with and without consideration of the clip deformation, respectively. The ASD safety factors and the LRFD resistance factor were also produced to support the proposed design provisions.
Get full access to this article
View all available purchase options and get full access to this article.
Acknowledgments
The sponsorship of American Iron and Steel Institute and the test materials donation by Simpson Strong-Tie Company, Inc. and Hilti, Inc. are gratefully acknowledged. The technical advising provided by the AISI project monitoring task group is highly appreciated. The authors would also like to thank UNT undergraduate students, Derrick Nathan, Emmanuel Velasco, and Tom Kalisky for their assistance in the test program.
References
ABAQUS [Computer software]. Dassault Systèmes, Waltham, MA.
AISC. (2011). AISC steel construction manual, 14th Ed., Chicago.
AISI (American Iron and Steel Institute). (2012). “North American specification for the design of cold-formed steel structural members, 2012 edition.” AISI S100, Washington, DC.
AS/NZS. (2005). “Australian/New Zealand standard—Cold-formed steel structures.” AS/NZS 4600, Joint Technical Committee, Sydney, Wellington.
ASTM. (2014). “A370-14 standard test methods and definitions for mechanical testing of steel products.” ASTM A370, West Conshohocken, PA.
CEN. (2006). “EN 1993-1-3 design of steel structures—Part 1-3: General rules—Supplementary rules for cold-formed members and sheeting.”, Central Secretariat, Brussels, Belgium.
Fox, S. (2005). “Strength of CFS floor assemblies with clip angle bearing stiffeners.”, American Iron and Steel Institute, Washington, DC.
ICC-ES (International Code Council Evaluation Service). (2011). “AC261 connectors used with cold-formed steel structural members—Approved October 2011.” ICC-ES AC261, Brea, CA.
Schafer, B. W., and Peköz, T. (1998). “Direct strength prediction of cold-formed steel members using numerical elastic buckling solutions.” Proc., 14th Int. Specialty Conf. on Cold-Formed Steel Structures, Dept. of Civil Engineering, Univ. of Missouri–Rolla, Rolla, MO.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 142 • Issue 7 • July 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: May 7, 2015
Accepted: Dec 10, 2015
Published online: Mar 3, 2016
Published in print: Jul 1, 2016
Discussion open until: Aug 3, 2016
Authors
Metrics & Citations
Metrics
Citations
Download citation
If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download.