Schifflerized Angle Struts
Publication: Journal of Structural Engineering
Volume 118, Issue 7
Abstract
Schifflerized angles (90° hot‐rolled equal leg angles bent to 60°) are employed as main leg members in triangular‐base latticed communication structures. The strength of these angles is quite different from that of regular 90° angles. Results of experimental investigation on schifflerized angles are presented. The test results are compared with the loads computed according to ASCE Manual No. 52 and American Institute of Steel Construction load and resistance factor design specifications. The ambiguity regarding the proper selection of the width to be used in the calculation of width‐thickness ratios is discussed, and recommendations are made. The susceptibility of these angles of torsional‐flexural buckling is highlighted, and design recommendations are given. In addition, a table for design compressive strength of these angles that can serve as a ready‐to‐use design aid is provided.
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References
1.
Adluri, S. M. R. (1990). “Ultimate strength of schifflerized angles,” M.A.Sc. thesis, Univ. of Windsor, Windsor, Ontario, Canada.
2.
Adluri, S. M. R., Madugula, M. K. S., and Monforton, G. R. (1991). “Finite element failure analysis of schifflerized angles.” Comput. Struct., 41(5), 1087–1093.
3.
Adluri, S. M. R., and Madugula, M. K. S. (1991). “Factored axial compressive resistance of schifflerized angles.” Can. J. Civ. Engrg., 18(6), 926–932.
4.
Load and resistance factor design specification for structural steel buildings. (1986). American Inst. of Steel Constr. (AISC), Chicago, Ill.
5.
“Guide for design of steel transmission towers. (1988). Manuals and reports on engineering practice No. 52, Second Ed., ASCE, New York, N.Y.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 118 • Issue 7 • July 1992
Pages: 1920 - 1936
Copyright
Copyright © 1990 ASCE.
History
Published online: Jul 1, 1992
Published in print: Jul 1992
Authors
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