New Outlines for 500 kV Transmission Towers Using Cold-Formed Shapes: The Experimental Line of the American Electric Power Research Institute

by A. Catenacci, Soc Anonima Elettrificazione SpA, Italy,
M. Finzi, Soc Anonima Elettrificazione SpA, Italy,
A. Zavelani Rossi, Soc Anonima Elettrificazione SpA, Italy,

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 use of cold-formed steel members, in electrical transmission towers, is actually a feasible, reliable and economical solution. The EPRI experimental line is an example of the newest structural solutions obtained using this kind of members. The paper presents four different tower types, providing informations about the loading conditions, design assumptions and methods and, finally, showing the obtained results. A comparison, between these structures and the corresponding towers using hot-rolled angles, is also shown.

Subject Headings: Power transmission towers | Steel structures | Power transmission lines | Structural stability | Structural analysis | Dynamic structural analysis | Cold-formed steel

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