Maintenance and Repair Scheme for Corroded Stiffened Steel Box Girder Bridges Based on Ultimate Strength Reliability and Risk Assessments
Author(s): |
Yasser Sharifi
Jeom Kee Paik |
---|---|
Medium: | journal article |
Language(s): | English |
Published in: | Engineering Structures and Technologies, December 2014, n. 3, v. 6 |
Page(s): | 95-105 |
DOI: | 10.3846/2029882x.2014.972991 |
Abstract: |
The aims of this study are to investigate the effect of corrosion on the load-carrying capacity of stiffened steel box girder bridges and to formulate a repair schedule using reliability-based approaches for such bridges as they age. A credible scenario for a corroded steel box section is estimated. Corrosion rates and their probabilistic characterization are calculated based on the available data. A probabilistic model of ultimate box girder strength is established based on an analytical formula that considers corrosion-related time-dependent strength degradation. The results generated with this model may be useful in the development of an optimized and accurate maintenance and repair schedule for existing steel box girder bridges. |
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10325997 - Published on:
21/07/2019 - Last updated on:
21/07/2019