Shear Behavior of Panel Zones in Steel Beam-to-Column Connections with Unequal Depth of Outer Annular Stiffener
Publication: Journal of Structural Engineering
Volume 145, Issue 2
Abstract
This paper presents an experimental investigation of the shear behavior of steel beam-to-column connections with unequal depth of outer annular stiffener. The depth-to-thickness ratio () of the hollow structural section (HSS) column, the beam depth ratio (), and two sizes of outer annular stiffener are considered. This test involves seven cruciform connections subjected to lateral cyclic loading with vertical displacements imposed at the end of beams. The failure modes, hysteretic performance, strength and stiffness degradation, shear deformation, and energy dissipation of panel zone are estimated. The experimental results indicated that the whole panel exhibited large hysteretic loops, excellent ductility, and energy dissipating capacity. Due to the effect of the beam depth ratio, the tested specimens formed two types of failure modes: shear buckling of the whole panel and shear buckling of the primary panel at the column web between two beams.
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Acknowledgments
This research is financially supported by Shandong Province Young and Middle-Aged Scientists Research Awards Fund (ZR2016EEB38) and the China Postdoctoral Science Foundation (2017M61226). In addition, Emeritus Professor Akihiko Kawano and Associate Professor Shintaro Matsuo from Kyushu University are greatly appreciated for their valuable help and advice on this study.
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Published In
Journal of Structural Engineering
Volume 145 • Issue 2 • February 2019
Copyright
©2018 American Society of Civil Engineers.
History
Received: Jan 9, 2018
Accepted: Jul 31, 2018
Published online: Nov 29, 2018
Published in print: Feb 1, 2019
Discussion open until: Apr 29, 2019
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