Design of Diagonal Roof Bracing Rods and Tubes
Publication: Journal of Structural Engineering
Volume 111, Issue 5
Abstract
The behavior of rods and tubes as horizontal tension members is investigated. In the design of double diagonal tension bracing, each member must carry the tension forces as well as its own weight either by cable action in the case of rods, or by beam action in the case of tubes. Rod tensioning experiments reveal that pretensioning forces are much higher than expected. However, excessive pretensioning of rods does not effect their ultimate capacity but would influence the design of the compression members in the bracing system. It is found that the tensile capacity of tubes is only marginally reduced by the effect of self weight and the self weight bending stresses need not be considered in combination with axial tensile stresses. Bending under self weight alone need not be checked as deflection always governs the design.
Get full access to this article
View all available purchase options and get full access to this article.
References
1.
Boscaino, G., “Experimental and Theoretical Investigation of Bracing Members,” thesis presented to the University of Queensland at Queensland, Australia, in 1983, in partial fulfillment of the requirements for the degree of Bachelor of Engineering.
2.
Gorenc, B. E., and Tinyou, R., Steel Designers Handbook, NSW University Press, Sydney, 1981.
3.
Norris, C. H., and Wilbur, J. J., Elementary Structural Analysis, 2nd Ed., McGraw‐Hill Book Co., Inc., New York, N.Y., 1960.
4.
Standards Association of Australia, AS1250‐1981 SAA Steel Structures Code, SAA, Sydney, 1981.
5.
Timoshenko, S., Strength of Material Part 2, 3rd Ed., Van Nostrand Reinhold, New York, N.Y., 1960.
6.
Trahair, N. S., The Behaviour and Design of Steel Structures, Chapman and Hall, London, 1975.
Information & Authors
Information
Published In
Copyright
Copyright © 1985 ASCE.
History
Published online: May 1, 1985
Published in print: May 1985
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.