Variation in Design Practice for Lattice Towers

by Donald D. Cannon, Jr., Sverdrup Technology Inc, Sverdrup Technology Inc, United States,

Document Type: Proceeding Paper

Part of: Steel Structures


The design and analysis procedures employed for lattice transmission towers vary among countries, companies, and designers. This variation in design practice affects the relative reliability of transmission structures and, therefore, is important to the application of reliability-based design methods. To measure this variation in design practice, two tower analysis experiments were conducted in conjunction with full-scale lattice tower tests. This paper summarizes the variation in the predictions of designers, and compares these predictions with the actual member forces measured during the tests.

Subject Headings: Structural reliability | Lattices | Power transmission towers | Steel structures | Structural analysis | Power transmission lines | Electric power | Full-scale tests

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