Compressive Resistance of Eccentrically Connected Gusset Plates
Publication: Journal of Structural Engineering
Volume 146, Issue 12
Abstract
A new experimental study with six bolted single-brace eccentric gusset plate connection specimens is presented in this paper. The observed collapse mechanism with two plastic hinges is consistent with previous findings presented by other researchers. Using Abaqus finite-element analysis (FEA), numerical models are created and are validated on the tested specimens. Then, an extensive parametric study follows, showing the influence of eight geometrical and material parameters on the ultimate and critical load of the connection. Finally, the results are compared with the predictions of existing analytical models. It is shown that both the placement and the number of bolts in the connection have almost no effect on the compressive resistance. Furthermore, it is proven that parts of the gusset plate outside the so-called Whitmore section actually contribute to the compressive resistance of the connection, although they may not develop a full plastic hinge. For the tested connection geometry, the best and safe analytical prediction is given by a model that assumes the formation of two plastic hinges, a critical buckling load and reduction of the plate bending resistance due to the present axial force.
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Data Availability Statement
The authors confirm that the data supporting the findings of this study are available within the article. Additional data such as full experimental measurements and numerical models are available from the corresponding author upon reasonable request.
Acknowledgments
The research presented in this paper has been conducted with the support of the Technological Agency of the Czech Republic within the framework of Grant No. TJ01000045 “Advanced procedures of steel and composite structure connection design and production.” The authors would hereby like to express their thanks for this support.
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Published In
Journal of Structural Engineering
Volume 146 • Issue 12 • December 2020
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Nov 19, 2019
Accepted: Jun 9, 2020
Published online: Sep 21, 2020
Published in print: Dec 1, 2020
Discussion open until: Feb 21, 2021
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