Abstract
The approximate analysis of guyed towers, in which the mast is modeled by an equivalent beam-column, is described. Equivalent beam-column properties are presented for several triangular cross-section mast built-up patterns. The coupling between different degrees of freedom is acknowledged in the form of a geometric coupling matrix. The use of the Morison assumptions to consider wind loads on the mast is validated, and equivalent wind areas per unit length are derived. A back-substitution scheme to determine the forces in each element of the mast is developed. A comparative analysis of the approximate method and the space truss model is illustrated through an example tower.
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