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contributor authorGraziano Fiorillo
contributor authorMichel Ghosn
date accessioned2025-04-20T10:23:11Z
date available2025-04-20T10:23:11Z
date copyright11/5/2024 12:00:00 AM
date issued2025
identifier otherJBENF2.BEENG-6950.pdf
identifier urihttp://yetl.yabesh.ir/yetl1/handle/yetl/4304617
description abstractA significant number of recent highway bridge failures have been attributed to the lack of financial resources that constrained owners to keep bridges in service under undesired circumstances. Given that many highway bridge failures were related to cyclic fatigue and overloaded trucks, or some combination thereof, the objective in this paper is to present an approach to assess the reliability of continuous highway steel I-multigirder bridge superstructures under the combined effects of fatigue damage and overloading. To that effect, Monte Carlo simulations were run for 42 short to medium-length steel I-multigirder bridges having configurations representative of bridges in North America. Fatigue damage locations, permanent loads, truck gross weights, and axle configurations were assumed to be random variables. The fatigue model used is consistent with the model implemented during calibration according to AASHTO’s specifications for a 75-year design life. Simple equations were constructed to quantify the probability of bridge system collapse resulting from the combined effects of fatigue and overloading events for typical continuous steel I-multigirder bridge superstructures. Accordingly, the expected service life of bridges would reduce by about 7 years if the percentage of overweight trucks increases from the national average of 5.1% to 12.0%. The proposed model can eventually be implemented in bridge management systems to account for the effects of truck loads, complementing these systems’ current focus on bridge condition ratings.
publisherAmerican Society of Civil Engineers
titleFailure Analysis of Continuous Highway Steel I-Multigirder Bridges under the Combined Effect of Fatigue and Overloading Events
typeJournal Article
journal volume30
journal issue1
journal titleJournal of Bridge Engineering
identifier doi10.1061/JBENF2.BEENG-6950
journal fristpage04024105-1
journal lastpage04024105-20
page20
treeJournal of Bridge Engineering:;2025:;Volume ( 030 ):;issue: 001
contenttypeFulltext


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