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Open AccessArticle

Evaluation of High-Speed Railway Bridges Based on a Nondestructive Monitoring System

1
Department of Civil and Environmental Engineering, Incheon National University, Incheon 406-840, Korea
2
Public Works and Civil Engineering Department, Mansoura University, Mansoura 35516, Egypt
3
Incheon Disaster Prevention Research Center, Incheon National University, Incheon 406-840, Korea
4
Structural Engineering Department, Mansoura University, Mansoura 35516, Egypt
*
Author to whom correspondence should be addressed.
Academic Editor: César M. A. Vasques
Appl. Sci. 2016, 6(1), 24; https://doi.org/10.3390/app6010024
Received: 14 October 2015 / Revised: 20 December 2015 / Accepted: 11 January 2016 / Published: 18 January 2016
Recently, trains’ velocities in Korea increased more than the speed used in the design of some bridges. Accordingly, this paper demonstrates the evaluation of a railway bridge due to high-speed trains’ movement. A nondestructive monitoring system is used to assess the bridge performance under train speeds of 290, 360, 400 and 406 km/h. This system is comprised of a wireless short-term acceleration system and strain monitoring sensors attached to the bridge girder. The results of the analytical methods in time and frequency domains are presented. The following conclusions are obtained: the cross-correlation models for accelerations and strain measurements are effective to predict the performance of the bridge; the static behavior is increased with train speed developments; and the vibration, torsion, fatigue and frequency contents analyses of the bridge show that the bridge is safe under applied trains’ speeds. View Full-Text
Keywords: high-speed; bridge; strain; monitoring; prediction high-speed; bridge; strain; monitoring; prediction
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MDPI and ACS Style

Kaloop, M.R.; Hu, J.W.; Elbeltagi, E. Evaluation of High-Speed Railway Bridges Based on a Nondestructive Monitoring System. Appl. Sci. 2016, 6, 24.

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