Shear Resistance of Transversely Stiffened Steel I-Girders
Publication: Journal of Structural Engineering
Volume 134, Issue 9
Abstract
This paper evaluates the accuracy and ease of use of 12 of the most promising models for the shear resistance of transversely stiffened steel I-girders. Several models that are well established in civil engineering practice as well as a number of other recently proposed models are considered. As the model developed in Basler’s seminal research is the method of choice in current American practice, the paper focuses on the merits and limitations of the alternative models relative to Basler’s. Statistical analyses are conducted on the predictions by the various models using an updated data set from 129 experimental shear tests, including 30 hybrid and 11 horizontally curved I-girders. The results support the conclusion that the form of Basler’s model implemented in 2004 AASHTO LRFD Bridge Design Specifications and 2005 AISC Specification for Structural Steel Buildings gives the best combination of accuracy and simplicity for calculation of the shear resistance of transversely stiffened steel I-girders.
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Acknowledgments
This research was funded by the American Iron and Steel Institute, Professional Services Industries, Inc. and the Federal Highway Administration, and by the American Society of Civil Engineers Structural Engineering Institute. The financial support from these organizations is gratefully acknowledged. Professors Bruce Ellingwood and Abdul Zureick of Georgia Institute of Technology are thanked for their suggestions during the process of the study. The opinions, findings, and conclusions expressed in this paper are the writers and do not necessarily reflect the views of the above-mentioned individuals, groups and organizations.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 134 • Issue 9 • September 2008
Pages: 1425 - 1436
Copyright
© 2008 ASCE.
History
Received: Aug 24, 2005
Accepted: May 16, 2006
Published online: Sep 1, 2008
Published in print: Sep 2008
Notes
Note. Associate Editor: Scott A. Civjan
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