期刊论文

Luo, Y

英文

Sensors

1424-3210

2023

23

11

5067-

10.3390/s23115067

Conceptualization, N.L.; methodology, J.L.; software, H.W.; validation, N.L. and Y.L.; formal analysis, Y.L.; data curation, J.L.; writing—original draft preparation, Y.L. and H.Y.; funding acquisition, N.L. All authors have read and agreed to the published version of the manuscript. This research was funded by the National Key R&D Program of China (2021YFB2600900), the National Natural Science Foundation of China (grant number 52178108 and 51908068), the Natural Science Foundation of Hunan Province (grant number 2021JJ30720 and 2023JJ50180), the Science and Technology Innovation Program of Hunan Province (2022RC1181), the Hunan Province Research Center for Safety Control Technology and Equipment of Bridge Engineering (18KC01) and the Hunan Graduate Innovation Project (QL20210186).

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The fatigue cracking of orthotropic steel bridge decks (OSDs) is a difficult problem that hinders the development of steel structures. The most important reasons for the occurrence of fatigue cracking are steadily growing traffic loads and unavoidable truck overloading. Stochastic traffic loading leads to the random propagation behavior of fatigue cracks, which increases the difficulty of the fatigue life evaluations of OSDs. This study developed a computational framework for the fatigue crack propagation of OSDs under stochastic traffic loads based on traffic data and finite element methods. ...