Abstract
The overturning limits of single-column pier bridges subject to overloading can be predicted using various approaches ranging in complexity from close-form formulas to detailed finite-element simulations. A simple analytical method—dubbed here analytical overturning limit analysis (AOLA)—is proposed to predict the overturning loads for single-column pier bridges. AOLA is an iterative method that determines the minimum wheel loads (position and pattern) at which an overturning state is reached. It incorporates the effects of self-weight of the bridge and the sizes and intervals of its bearings. Data collected from two collapsed bridges in China and detailed finite-element simulations of those two events are used for validating and verifying the method.
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Acknowledgments
This research is financially supported by the Zhejiang Provincial Natural Science Foundation of China (Grant No. LY13E080014). This support is gratefully acknowledged. Any opinions, findings, and conclusions or recommendations expressed in this material are those of authors.
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Journal of Performance of Constructed Facilities
Volume 31 • Issue 4 • August 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Sep 20, 2015
Accepted: Oct 18, 2016
Published ahead of print: Feb 6, 2017
Published online: Feb 7, 2017
Discussion open until: Jul 7, 2017
Published in print: Aug 1, 2017
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