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- W2364316897 abstract "A method of fatigue evaluation of orthotropic steel box girder based on hot spot stress method is presented by using collected stress data of health monitoring system.The local FEM model of the critical fatigue damage component of structure is developed to analyze the stress concentration factor.With the calculated stress concentration factor and the practical strain collected by the health monitoring system,the hot spot stress can be obtained.Based on the rain-flow counting method,the standard daily hot spot stress spectrum can be acquired by statistical average analysis of multiple daily stress spectrum.Finally,the fatigue evaluation of steel box girder is made based on linear cumulative damage criterion and hot spot stress fatigue strength curve.The proposed method is used to evaluate a practical bridge installed with health monitoring system. The analysis result shows that the fatigue damage will occur at the connection part between U-rib and diaphragm,where should be repaired and maintained particularly." @default.
- W2364316897 created "2016-06-24" @default.
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- W2364316897 date "2014-01-01" @default.
- W2364316897 modified "2023-09-25" @default.
- W2364316897 title "Fatigue evaluation of orthotropic steel box girder based on hot spot stress method" @default.
- W2364316897 hasPublicationYear "2014" @default.
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