Reliability of Overhead Transmission Lines Subjected to Wind Action

by J. D. Riera, Univ Fed Rio G Sul, Brazil,
R. C. Ramos de Menezes, Univ Fed Rio G Sul, Brazil,



Document Type: Proceeding Paper

Part of: Structural Safety and Reliability

Abstract:

The probability distribution of the strength of steel towers used in transmission lines, due to wind excitation, is evaluated on the basis of test results of 72 towers of various designs, fabricated in Brazil. A mathematical model is proposed to account for the variability introduced in the tower strength by the analysis, design, fabrication and erection processes.

Subject Headings: Power transmission | Wind engineering | Power transmission towers | Steel structures | Fabrication | Structural strength | Strength of materials | Structural models | Brazil | South America

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