Reliability Evaluation of Vortex-Induced Vibration for a Long-Span Arch Bridge
This article has been corrected.
VIEW CORRECTIONPublication: Journal of Bridge Engineering
Volume 23, Issue 5
Abstract
Bridge vortex-induced vibration (VIV) involves a number of uncertainties resulting from wind characteristics, structural properties, and bluff-body aerodynamics. Evaluation of VIV considering the variability in the parameter space has been of great concern. In this study, the influence of various parameters related to wind–bridge interactions on the VIV was evaluated based on different reliability calculation approaches. Specifically, the random nature in the parameter space, which was obtained based on the available data from both laboratories and meteorological stations, was propagated to assess its influence on the structural VIV utilizing the second-order second-moment (SOSM), second-order fourth-moment (SOFM), and Monte Carlo simulation (MCS) methods. Three VIV performance functions involving different considerations of vibration-amplitude models and lock-in wind speeds were constructed. A long-span arch bridge was selected as an example to compute the failure probabilities of VIV considering parametric uncertainties and various performance functions.
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Acknowledgments
The research described in this paper was supported by grants from the National Natural Science Foundation of China (51508574, 51508580, U1534206) and the National Key R&D Program of China (2017YFB1201204). Any opinions, findings, conclusions or recommendations expressed in this study are those of the authors and do not necessarily reflect the views of any agency or institution mentioned herein.
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Published In
Journal of Bridge Engineering
Volume 23 • Issue 5 • May 2018
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© 2018 American Society of Civil Engineers.
History
Received: Dec 7, 2016
Accepted: Nov 1, 2017
Published online: Feb 16, 2018
Published in print: May 1, 2018
Discussion open until: Jul 16, 2018
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