Cited by 143Structural Health Monitoring TechniquesStructural Engineering and Vibration AnalysisStructural Engineering and Materials Analysis

Validation of vibration-based structural health monitoring on retrofitted railway bridge KW51

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Maes, K., Van Meerbeeck, L., Reynders, E.P.B., Lombaert, G.·2022·Mechanical Systems and Signal Processing

Abstract

Abstract In this paper, the feasibility of structural health monitoring based on natural frequencies is investigated for a steel bowstring railway bridge in Leuven, Belgium. The data used in the study are obtained from an ongoing long-term monitoring campaign on the railway bridge and include acceleration measurements on the bridge deck and the arches. During the monitoring period, the railway bridge has been retrofitted, resulting in data for two distinct states of the structure. Particular attention is paid to removing the effects of environmental conditions, such as temperature, which affect the modal characteristics of the structure and therefore may lead to false-positive or false-negative damage detection. A comparison is made between standard linear regression and robust principal component analysis (PCA), two black-box modeling techniques which are adopted to remove natural frequency variations resulting from changes in the environmental conditions. In order to assess the success rate of these techniques, a receiver operating characteristic (ROC) curve analysis is performed, considering the actual retrofit as well as a number of more subtle structural changes, which are modeled using a detailed finite element model of the structure. The state transition can be observed for the actual retrofit as well as for smaller structural modifications that result in relatively small natural frequency shifts.

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Crossref · 10.1016/j.ymssp.2021.108380

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Authors
Maes, K., Van Meerbeeck, L., Reynders, E. P. B., & Lombaert, G.
Affiliations
KU Leuven (BE)
Corresponding author
Maes, K.
Venue
Mechanical Systems and Signal Processing
Publisher
Elsevier BV
Published
2022-02
Volume
165
Pages
108380
ISSN
0888-3270 (ISSN-L)
OpenAlex
W3197025840
Cited by
143
References
30
Citations by year
2026: 23 · 2025: 33 · 2024: 30 · 2023: 40 · 2022: 16 · 2021: 1
FWCI
11.19
Type
journal article
Language
en
Open access
Locations
  • Mechanical Systems and Signal Processing (publishedVersion)
  • Lirias (KU Leuven) (submittedVersion, other-oa)
Funders
Fonds Wetenschappelijk Onderzoek (12Q9218N, 1511719N)
Topics
  • Physical Sciences › Engineering › Civil and Structural Engineering › Structural Health Monitoring Techniques
  • Physical Sciences › Engineering › Civil and Structural Engineering › Structural Engineering and Vibration Analysis
  • Physical Sciences › Engineering › Civil and Structural Engineering › Structural Engineering and Materials Analysis
Keywords
vibration-based structural health monitoring, natural frequencies, railway bridges, bridge retrofitting, robust principal component analysis, linear regression, damage detection, receiver operating characteristic, finite element model, acceleration measurement, long-term monitoring

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