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: Building Code Requirements for Masonry Structures (ACI 530-88/ASCE 5-88) and Specifications for Masonry Structures (ACI 530.1-88/ASCE 6-88) (ACI 530.1-88/ASCE 6-88)


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: Power transmission towers | Structural analysis | Steel structures | Power transmission lines | Electric power | Structural reliability | Lattices

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