Component Modeling of Partially Restrained Composite Joints under Cyclic and Dynamic Loading
Publication: Journal of Structural Engineering
Volume 130, Issue 2
Abstract
A mechanical modeling approach for the simulation of partially restrained (PR, or semirigid) steel and composite connections subjected to any loading regime is described, and verification studies utilizing this approach are presented. This paper first presents a description of the advantages and drawbacks of a previously published component model, which served as the basis for developments discussed here. An original mechanical model is then introduced and described in detail. This model is capable of taking into account the influence of all the main deformation components, including slip in the bolts, partial interaction between the concrete slab and steel girder, shear deformation of the panel zone, and cracking and crushing of the slab. The model also evaluates the energy dissipated by each component, leading to a clear understanding of the connection behavior. Preliminary validation analyses are then presented and discussed. The results indicate that this approach can predict the complex behavior of PR composite connections well, and that the computation effort is minimal when compared to more sophisticated approaches.
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Published In
Journal of Structural Engineering
Volume 130 • Issue 2 • February 2004
Pages: 343 - 351
Copyright
Copyright © 2004 American Society of Civil Engineers.
History
Received: Oct 18, 2002
Accepted: May 7, 2003
Published online: Jan 16, 2004
Published in print: Feb 2004
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