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Bayesian Updates for an Extreme Value Distribution Model of Bridge Traffic Load Effect Based on SHM Data

Author

Listed:
  • Xin Gao

    (College of Construction Engineering, Jilin University, Changchun 130026, China
    Beijing Construction Engineering Research Institute Co., Ltd., Beijing 100039, China)

  • Gengxin Duan

    (College of Construction Engineering, Jilin University, Changchun 130026, China)

  • Chunguang Lan

    (College of Construction Engineering, Jilin University, Changchun 130026, China
    Beijing Construction Engineering Research Institute Co., Ltd., Beijing 100039, China)

Abstract

As the distribution function of traffic load effect on bridge structures has always been unknown or very complicated, a probability model of extreme traffic load effect during service periods has not yet been perfectly predicted by the traditional extreme value theory. Here, we focus on this problem and introduce a novel method based on the bridge structural health monitoring data. The method was based on the fact that the tails of the probability distribution governed the behavior of extreme values. The generalized Pareto distribution was applied to model the tail distribution of traffic load effect using the peak-over-threshold method, while the filtered Poisson process was used to model the traffic load effect stochastic process. The parameters of the extreme value distribution of traffic load effect during a service period could be determined by theoretical derivation if the parameters of tail distribution were estimated. Moreover, Bayes’ theorem was applied to update the distribution model to reduce the statistical uncertainty. Finally, the rationality of the proposed method was applied to analyze the monitoring data of concrete-filled steel tube arch bridge suspenders. The results proved that the approach was convenient and found that the extreme value distribution type III might be more suitable as the traffic load effect probability model.

Suggested Citation

  • Xin Gao & Gengxin Duan & Chunguang Lan, 2021. "Bayesian Updates for an Extreme Value Distribution Model of Bridge Traffic Load Effect Based on SHM Data," Sustainability, MDPI, vol. 13(15), pages 1-15, August.
  • Handle: RePEc:gam:jsusta:v:13:y:2021:i:15:p:8631-:d:607197
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    References listed on IDEAS

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    1. Xia Yang & Jing Zhang & Wei-Xin Ren, 2018. "Threshold selection for extreme value estimation of vehicle load effect on bridges," International Journal of Distributed Sensor Networks, , vol. 14(2), pages 15501477187, February.
    2. Xiaoming Lei & Limin Sun & Ye Xia & Tiantao He, 2020. "Vibration-Based Seismic Damage States Evaluation for Regional Concrete Beam Bridges Using Random Forest Method," Sustainability, MDPI, vol. 12(12), pages 1-18, June.
    3. Youngjin Choi & Jinhyuk Lee & Jungsik Kong, 2020. "Performance Degradation Model for Concrete Deck of Bridge Using Pseudo-LSTM," Sustainability, MDPI, vol. 12(9), pages 1-19, May.
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    Cited by:

    1. Xin Wang & Yi Zhuo & Shunlong Li, 2023. "Damage Detection of High-Speed Railway Box Girder Using Train-Induced Dynamic Responses," Sustainability, MDPI, vol. 15(11), pages 1-19, May.

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