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Structural Monitoring for Road Bridges: Evaluation Methods for Damping Characteristics and the Impact of Temperature

  • 2025
  • OriginalPaper
  • Chapter
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Author
Kouichi Takeya
Published in
Proceedings of the 18th East Asia-Pacific Conference on Structural Engineering and Construction, Volume 3
Publisher
Springer Nature Singapore

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Abstract

This chapter delves into the structural monitoring of road bridges, focusing on the evaluation of damping characteristics and the impact of temperature on bridge health. The study employs advanced methods such as the Eigen-system Realization Algorithm (ERA) and the Random Decrement (RD) method to analyze vibration data from a steel girder bridge in Kofu City, Japan. Key topics include the measurement of acceleration data, modal analysis using the NExT-ERA method, and the relationship between temperature and damping ratios. The chapter highlights the influence of temperature on the damping ratios, revealing a nonlinear relationship that affects bridge maintenance and health monitoring. The findings suggest that understanding these environmental impacts can enhance the accuracy of structural health monitoring systems. The study concludes by emphasizing the need for further research to validate these findings across different bridges and environmental conditions.
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next chapter Experimental Investigation and Analytical Model on the Flexural Behavior of Corroded Reinforced Concrete Beams
Title
Structural Monitoring for Road Bridges: Evaluation Methods for Damping Characteristics and the Impact of Temperature
Author
Kouichi Takeya
Copyright Year
2025
Publisher
Springer Nature Singapore
Book
Proceedings of the 18th East Asia-Pacific Conference on Structural Engineering and Construction, Volume 3

Print ISBN: 978-981-9500-89-5

Electronic ISBN: 978-981-9500-90-1

Copyright Year: 2025

DOI
https://doi.org/10.1007/978-981-95-0090-1_56
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