Component-Based Model for Single-Plate Shear Connections with Pretension and Pinched Hysteresis
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VIEW THE REPLYPublication: Journal of Structural Engineering
Volume 143, Issue 2
Abstract
Component-based connection models provide a natural framework for modeling the complex behaviors of connections under extreme loads by capturing both the individual behaviors of the connection components, such as the bolt, shear plate, and beam web, and the complex interactions between those components. Component-based models also provide automatic coupling between the in-plane flexural and axial connection behaviors, a feature that is essential for modeling the behavior of connections under column removal. This paper presents a new component-based model for single-plate shear connections that includes the effects of pretension in the bolts and provides the capability to model standard and slotted holes. The component-based models are exercised under component-level deformations calculated from the connection demands via a practical rigid-body displacement model, so that the results of the presented modeling approach remain hand-calculable. Validation cases are presented for connections subjected to both seismic and column removal loading. These validation cases show that the component-based model is capable of predicting the response of single-plate shear connections for both seismic and column removal loads.
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Acknowledgments
Jonathan M. Weigand performed this work during his tenure as a NIST/NRC Postdoctoral Research Associate. The author would like to sincerely thank and acknowledge his NRC Postdoctoral Research Adviser, Dr. Joseph A. Main of the National Institute of Standards and Technology, for his guidance and valuable feedback on this work.
Disclaimer
Certain commercial entities, equipment, products, or materials are identified in this document in order to describe a procedure or concept adequately. Such identification is not intended to imply recommendation, endorsement, or implication that the entities, products, materials, or equipment are necessarily the best available for the purpose. Official contribution of the National Institute of Standards and Technology; not subject to copyright in the United States.
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Published In
Journal of Structural Engineering
Volume 143 • Issue 2 • February 2017
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Oct 13, 2015
Accepted: Jul 28, 2016
Published online: Sep 23, 2016
Published in print: Feb 1, 2017
Discussion open until: Feb 23, 2017
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