Inelastic Force-Deformation Response of Joint Shear Panels in Beam-Column Moment Connections to Concrete-Filled Tubes
Publication: Journal of Structural Engineering
Volume 130, Issue 2
Abstract
In the design of beam-to-column subassemblies in concrete-filled steel tubular column systems, a design formula established by the Architectural Institute of Japan (AIJ) is applied. However, in the current AIJ standard, the scope of the design formula is limited to ordinary material strengths; i.e. up to an unconfined compression strength of 36 MPa for concrete and tensile strength of 490 MPa for structural steel tubes. So, the effect of higher material strengths on subassembly behavior is studied in this investigation. The experimental results presented in this paper verified that the above-mentioned AIJ design formula is applicable up to an unconfined compression strength of 110 MPa for concrete and tensile strength of 809 MPa for structural steel tubes. An analytical model for the restoring force characteristics of the shear panel in the subassemblies was also proposed, and was found to reproduce the experimental results with good accuracy.
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References
Architectural Institute of Japan (AIJ). (1987). “AIJ standard for structural calculation of steel reinforced concrete structures.” AIJ 5-26-20, Shiba, Minato, Tokyo, Japan.
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Published In
Journal of Structural Engineering
Volume 130 • Issue 2 • February 2004
Pages: 244 - 252
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: May 8, 2002
Accepted: May 14, 2003
Published online: Jan 16, 2004
Published in print: Feb 2004
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