Research Article
Aug 1975
Lateral Stability of Cable Truss
Authors: H. Max Irvine and Paul C. Jennings, M.ASCEAuthor Affiliations
Publication: Journal of the Engineering Mechanics Division
Volume 101, Issue 4
Abstract
The possible lateral instability of cable trusses under vertical loading is examined for trusses that are initially symmetric about the longitudinal axis. Variational methods were used to derive the differential equation governing lateral stability of biconvex or biconcave trusses that are symmetrical about the longitudinal axis. Analytical solutions were given for the parallel chord truss (a limiting form of the biconvex or biconcave truss) and triangular chord truss under a point load and a uniformly distributed load. A simple general result was found for the buckling of a truss under a point load, where the load and apex are both at midspan. From this, specific results were derived for the parabolic cable truss. Lateral instability is an unlikely possibility in a properly designed cable-truss roof. The presence of the roofing material and cross-bracing members between adjacent trusses will add considerably to the overall stability of the structure.
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Published In
Journal of the Engineering Mechanics Division
Volume 101 • Issue 4 • August 1975
Pages: 403 - 416
Copyright
© 1975 American Society of Civil Engineers.
History
Published in print: Aug 1975
Published online: Feb 3, 2021
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Authors
Affiliations
H. Max Irvine
Lect. in Civ. Engrg., Dept. of Civ. Engrg., Univ. of Auckland, Auckland, New Zealand
Paul C. Jennings, M.ASCE
Prof. of Applied Mechanics, Div. of Engrg. and Applied Sci.; California Inst. of Tech., Pasadena, Calif.
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ASCE Library Cards let you download journal articles, proceedings papers, and available book chapters across the entire ASCE Library platform. ASCE Library Cards remain active for 24 months or until all downloads are used. Note: This content will be debited as one download at time of checkout.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.