Transmission Structure Foundation Loads and Performanceby Paul A. Tedesco, Gibbs & Hill Inc, New York, NY, USA,
Walter G. Thomas, Gibbs & Hill Inc, New York, NY, USA,
Abstract: Transmission line structures are subjected to unique loading conditions which for the majority of structures results in maximum loads which occur infrequently and act for only short periods of time. The modes of loadings on the foundations vary according to the type of transmission structures. This paper reviews the various types of loads acting on the foundations of the following transmission structure types. lattice towers; single shaft structures; framed structures; and externally guyed structures. Foundation design and performance criteria are discussed for each structure type and mode of loading.
Subject Headings: Load factors | Foundation design | Structural reliability | Power transmission | Maximum loads | Guyed towers | Lattices | Shafts
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