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Feasibility investigations for vibration-based remote scour monitoring of railway bridges

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Authors
Yoshitome, Kazuhiro; Kim, Chul-Woo; Shinoda, Masaki; Kitagawa, Sinji; Kondo, Masahiro; Au, Siu-Kui
Issue Date
2019-05-26
Citation
13th International Conference on Applications of Statistics and Probability in Civil Engineering(ICASP13), Seoul, South Korea, May 26-30, 2019
Abstract
This study investigates feasibility of vibration-based scour monitoring as an alternative method for the impact test. A wireless sensing device was adopted for the long-term monitoring which can be remotely controlled. The target bridge was reinforced against scouring after the long-term scour monitoring. This study examines the feasibility of scour detection by comparing the vibration characteristics of the piers before and after the reinforcement. Observations for the bridge pier before reinforcement demonstrated that the probability distribution of dominant frequencies under higher water level during flood of the pier showed clearly different pattern to those under lower water level. On the other hand, those probability distributions of dominant frequencies of the reinforced pier showed constant pattern despite of the water level
Language
English
URI
https://hdl.handle.net/10371/153285
DOI
https://doi.org/10.22725/ICASP13.066
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College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Civil & Environmental Engineering (건설환경공학부)ICASP13
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