Quantifying a Bridge’s Structural Resilience
Publication: Practice Periodical on Structural Design and Construction
Volume 25, Issue 4
Abstract
In this paper, a method is proposed for rating and quantifying a bridge’s structural resilience. The proposed method specifically focuses on the relationship between a bridge’s resilience and its structural inputs. To demonstrate the application of the proposed approach, four distinct bridges are chosen for a comparative case study. Each bridge falls into a category with varying combinations of high and low sufficiency and resilience ratings. Resilience ratings are calculated for each bridge and compared with their sufficiency ratings to demonstrate that high sufficiency is not indicative of high resilience. This paper provides an objective, yet adaptable, framework that owners can use to organize their resilience measurements. While not completely unbiased, this approach allows for a less biased assessment of the relative resilience of assets, and further justifies funding allocations or requests. The resiliency rating framework calibrates a bridge’s resilience specifically to its structural configuration. Application of the framework is demonstrated for four different bridges, and is outlined so future users can easily adopt, adapt, and calibrate to meet their specific needs.
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Data Availability Statement
Some or all data, models, or code generated or used during the study are available from the corresponding author by request (as-built documents, inspection data, SI&A reports).
Acknowledgments
The authors would like to acknowledge the Arizona Board of Regents (ABOR) for their sponsorship for this research. Arizona DOT is also acknowledged for providing bridge data. The authors would also like to acknowledge Dr. Brendan Russo and Dr. Joshua Hewes for their advice and recommendations.
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Information & Authors
Information
Published In
Practice Periodical on Structural Design and Construction
Volume 25 • Issue 4 • November 2020
Copyright
© 2020 American Society of Civil Engineers.
History
Received: Jan 21, 2020
Accepted: Jun 5, 2020
Published online: Aug 7, 2020
Published in print: Nov 1, 2020
Discussion open until: Jan 7, 2021
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