Lateral-Torsional Buckling of Singly Symmetric I-Beams
Publication: Journal of Structural Engineering
Volume 123, Issue 9
Abstract
Finite-element buckling analyses of singly symmetric I-shaped girders subjected to transverse loading applied at different heights on the cross section were conducted. Single-curvature and reverse-curvature bending were considered. Moment gradient factors based on the finite-element results were calculated and compared with traditional values used to predict the buckling capacity of I-shaped doubly symmetric sections. The results from the computational study show that, for many cases, traditional moment gradient factors can be used for singly symmetric girders if effects of load height are measured relative to midheight of the cross section. Solutions for load-height effects are presented for singly symmetric I-sections.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
ANSYS, Finite element program users manual, Version 5.0. (1994). ANSYS, Inc.
2.
Guide to Stability Design Criteria for Metal Structures, 4th Ed. (1988). T. V. Galambos, ed., John Wiley & Sons, Inc., New York, N.Y.
3.
Kitipornchai, S., and Trahair, N. S.(1980). “Buckling properties of monosymmetric I-beams.”J. Struct. Div., ASCE, 106(5), 941–958.
4.
Kitipornchai, S., Wang, C. M., and Trahair, N. S.(1986). “Buckling of monosymmetric I-beams under moment gradient.”J. Struct. Engrg., ASCE, 112(4), 781–799.
5.
Linder, J., and Schmidt, J. S. (1982). “Biegedrillknicken von I-Trägern unter Berücksichtigung wirklichkeitsnaher Lasteinleitung.”Der Stahlbau, 51(9), 257–263 (in German).
6.
Load and resistance factor design, 2nd Ed. (1994). American Institute of Steel Construction, Chicago, Ill.
7.
Load and resistance factor design specification for highway bridges, 1st Ed. (1994). American Association of State Highway and Transportation Officials, Washington, D.C.
8.
Wang, C. M., and Kitipornchai, S.(1986). “Buckling capacities of monosymmetric I-beams.”J. Struct. Engrg., ASCE, 112(11), 2373–2391.
9.
Yura, Joseph A. (1995). “Bracing for stability—state of the art.”Proc., 13th ASCE Struct. Congr., Masoud Sanayei, ed., New York, N.Y., 88–103.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 123 • Issue 9 • September 1997
Pages: 1172 - 1179
Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: Sep 1, 1997
Published in print: Sep 1997
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.