Research Article
Apr 1965
Dynamic Behavior of Massive Guy Cables
Publication: Journal of the Structural Division
Volume 91, Issue 2
Abstract
The dynamic behavior of massive guy cables under the action of an harmonic guy-top excitation and viscous damping is studied. Theoretical expressions for the complex stiffness modulus and vibration amplitudes are derived, based on the parabolic approximation of the cable form. The complex guy stiffness is expressed as two functions, corresponding to the horizontal guy reaction in phase and in quadrature with the deflection. The stiffnesses are expressed nondimensionally in terms of the soil called taut wire stiffness as functions of the initial cable strain, the ratio of cable weight to tension, the critical damping ratio, and a dimensional frequency ratio based on the taut wire frequency. Experiments on dynamic model guy cables confirm that the results are accurate for small amplitude motions. The study showed that a potentially dangerous situation arises at certain characteristic frequencies of the guy when the modulus becomes negative and the guy then tends to pull the mast over.
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Published In
Journal of the Structural Division
Volume 91 • Issue 2 • April 1965
Pages: 43 - 70
Copyright
© 1965 American Society of Civil Engineers.
History
Published in print: Apr 1965
Published online: Feb 1, 2021
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Alan G. Davenport, AM.ASCE
Asst. Prof., Faculty of Engrg. Science, Univ. of Western Ontario, London, Canada
George N. Steels
Engr., Dominion Bridge Co., Montreal, Canada; formerly,ResearchAsst., Faculty of Engrg. Science, Univ. of Western Ontario, London, Canada
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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.