Electrical Transmission and Substation Structures 2022
Experimental Study on the Effect of Gusset Plates’ Geometry on the Behavior of Steel Lattice Transmission Line Tower Connections
Publication: Electrical Transmission and Substation Structures 2022: Innovating for Critical Global Infrastructure
ABSTRACT
Steel lattice towers are commonly used in overhead power lines. Key elements of these towers are gusset plates, which connect and transmit forces between members. This paper presents an evaluation of the behavior and strength of lattice towers’ gusset plates (LTGP) based on experimental investigation. The study presented herein was carried out at the Université de Sherbrooke and deals with a set of geometrically distinct conventional configurations subjected to monotonic tensile loading until failure. Digital image correlation (DIC) method was employed as a means of elucidating the mechanisms governing the behavior of bolted assemblies with gusset plates. The study revealed the influence of geometry in the behavior of bolted connections, a parameter which is generally not considered in detail in most design guidelines.
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REFERENCES
ASCE American Society of Civil Engineers (ASCE 10-15). (2015). Design of Latticed Steel Transmission Structures. ISBN 978-0-7844-7870-7, Reston, Virginia, Usa.
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Cheng, R., Xu, L., Jin, S., & Shi, Y. (2016). Compressive Behavior of Gusset Plates Connected with Single-Angle Members. Journal of Structural Engineering, 142(3), 4015161. https://doi.org/doi:10.1061/(ASCE)ST.1943-541X.0001446.
CSA S16-14 (Canadian Standards Association). (2016). Limit States Design of Steel Structure. CAN/CSA-S16-2014, Toronto, Canada.
Eurocode 3. (2005). Design of steel structures - Part 1-8: Design of joints. EN 1993-1-8:2005 Stassart 36, B-1050 Bruxelles, Belgium.
Lutz, D. G., & Laboube, R. A. (2005). Behavior of thin gusset plates in compression. Thin-Walled Structures. https://doi.org/10.1016/j.tws.2004.10.007.
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Published In
Electrical Transmission and Substation Structures 2022: Innovating for Critical Global Infrastructure
Pages: 337 - 347
Editor: Tim Cashman
ISBN (Online): 978-0-7844-8446-3
Copyright
© 2022 American Society of Civil Engineers.
History
Published online: Sep 20, 2022
Published in print: Sep 20, 2022
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