Research Article
Apr 1973
Stability of Guyed Towers
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VIEW THE REPLYPublication: Journal of the Structural Division
Volume 99, Issue 4
Abstract
A method is presented for determining the lateral loading at which a multilevel guyed tower becomes unstable. The point in the load-displacement history at which a small increase in the applied load produces an inordinately large increase in displacements is interpreted as the point at which collapse occurs. The nonlinear algebraic equations governing the displacements of the tower are transformed into a set of nonlinear differential equations which are solved by matrix inversion and numerical integration. Instability occurs as the determinant of the stiffness matrix relating differentiated displacements approaches zero. Nonlinear effects considered include flexural contraction of the mast, continuous changes in the bending stiffness of the mast, and effects of wind on the cables. Numerical results are presented for the static stability analysis of a 1,100-ft, symmetrically loaded, three-level guyed tower. The effects of independently varying several parameters of the system, such as the moment of inertia of the mast and the pretensioning and areas of the guy cables, are demonstrated.
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Information
Published In
Journal of the Structural Division
Volume 99 • Issue 4 • April 1973
Pages: 741 - 756
Copyright
© 1973 American Society of Civil Engineers.
History
Published in print: Apr 1973
Published online: Feb 1, 2021
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Authors
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John E. Goldberg, F.ASCE
Prof. of Struct. Engrg., Purdue Univ., Lafayette, Ind.
John T. Gaunt, M.ASCE
Assoc. Prof. of Struct. Engrg., Purdue Univ., Lafayette, Ind.
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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.
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