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BRIEF NOTES

The Effect of Warping Stress on the Lateral-Torsion Buckling of Cold-Formed Zed-Purlins

[+] Author and Article Information
Xiao-ting Chu, Long-yuan Li, Roger Kettle

School of Engineering and Applied Science, Aston University, Aston Triangle, Birmingham B4 7ET, UK

J. Appl. Mech 71(5), 742-744 (Nov 09, 2004) (3 pages) doi:10.1115/1.1781178 History: Received July 22, 2003; Online November 09, 2004; Revised November 25, 2004
Copyright © 2004 by ASME
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References

Hancock,  G., 1997, “The Behaviour and Design of Cold-Formed Purlins,” Steel Construction, 15(3), pp. 2–16.
Davies,  J. M., 2000, “Recent Research Advances in Cold-Formed Steel Structures,” Journal of Constructional Steel Research, 55, pp. 267–288.
British Standards Institution, 1987, BS5950, Structural Use of Steel in Building, Part 5. Code of Practice for Design of Cold-Formed Sections, BCI.
European Committee for Standardization, 1996, EuroCode 3, Design of Steel Structures, Part 1.3: General Rules for Cold Formed Thin Gauge Members and Sheeting.
American Iron and Steel Institute, 2001, North American Specification for the Design of Cold-Formed Steel Structural Members (draft edition).
Standards Australia/Standards New Zealand, 1996, Cold-Formed Steel Structures, AS/NZS 4600.
Winter, G., 1947, Strength of Thin Steel Compression Flanges, Cornell University Engineering Experimental Station, Print No. 32.
Li, L. Y., 2003, “Lateral-Torsion Buckling of Cold-Formed Zed-Purlins Partial-Laterally Restrained by Metal Sheeting,” Thin-Walled Struct., (in press).
Timoshenko, S. P., and Gere, J. M., 1961, Theory of Elastic Stability, McGraw-Hill, New York.
Tarnai,  T., 1979, “Variational Methods for Analysis of Lateral Buckling of Beams Hung at Both Ends,” Int. J. Mech. Sci., 21, pp. 329–337.
Reissner,  E., 1989, “Lateral Buckling of Beams,” Comput. Struct., 33(5), pp. 1289–1306.
Lee,  J., and Kim,  S. E., 2002, “Lateral Buckling Analysis of Thin-Walled Laminated Channel-Section Beams,” Compos. Struct., 56, pp. 391–399.

Figures

Grahic Jump Location
Analytical model for lateral-torsion buckling analysis
Grahic Jump Location
Comparison of critical loads (a=b/2). (a) Both ends simply supported. (b) One end simply supported and the other end fixed. (c) Both ends fixed.
Grahic Jump Location
Comparison of critical loads for no antisag bar purlin. (a) Both ends simply supported. (b) One end simply supported and the other end fixed. (c) Both ends fixed.

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