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Dynamic test and finite element model updating of bridge structures based on ambient vibration

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Frontiers of Architecture and Civil Engineering in China Aims and scope Submit manuscript

Abstract

The dynamic characteristics of bridge structures are the basis of structural dynamic response and seismic analysis, and are also an important target of health condition monitoring. In this paper, a three-dimensional finite-element model is first established for a highway bridge over a railroad on No.312 National Highway. Based on design drawings, the dynamic characteristics of the bridge are studied using finite element analysis and ambient vibration measurements. Thus, a set of data is selected based on sensitivity analysis and optimization theory; the finite element model of the bridge is updated. The numerical and experimental results show that the updated method is more simple and effective, the updated finite element model can reflect the dynamic characteristics of the bridge better, and it can be used to predict the dynamic response under complex external forces. It is also helpful for further damage identification and health condition monitoring.

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Authors and Affiliations

  1. School of Civil Engineering and Mechanics, Huazhong University of Science & Technology, Wuhan, 430074, China

    Minshui Huang, Hongping Zhu & Lin Li

  2. Wuhan Tianxinzhou Road & Bridge Investment Co Ltd, Wuhan, 430015, China

    Wenzeng Guo

Authors
  1. Minshui Huang
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  2. Wenzeng Guo
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  3. Hongping Zhu
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  4. Lin Li
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Corresponding author

Correspondence to Hongping Zhu.

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Translated from Chinese Journal of Huazhong University of Science and Technology (Urban Science Edition), 2006, 23(4): 57–60 [译自: 华 中科技大学学报(城市科学版)]

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Huang, M., Guo, W., Zhu, H. et al. Dynamic test and finite element model updating of bridge structures based on ambient vibration. Front. Archit. Civ. Eng. China 2, 139–144 (2008). https://doi.org/10.1007/s11709-008-0028-4

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  • DOI: https://doi.org/10.1007/s11709-008-0028-4

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