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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 국제구조공학회 Steel and Composite Structures, An International Journal Steel and Composite Structures, An International Journal Vol.39 No.3
- 발행연도
- 2021.1
- 수록면
- 261 - 274 (14page)
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초록· 키워드
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In a railway bridge, the CRTS II slab ballastless track is subjected to interlayer connection failures, such as void under slab, mortar debonding, and fastener fracture. This study investigates the influences of interlayer connection failure on the safe operation of high-speed trains. First, a train-track-bridge coupled vibration model and a bridge-track deformation model are established to study the running safety of a train passing a deformed bridge with interlayer connection failure. For each type of the interlayer connection failure, the effects of the failure locations and ranges on the track irregularity are studied using the deformation model. Under additional bridge deformation, the effects of interlayer connection failure on the dynamic responses of the train are investigated by using the track irregularity as the excitation to the vibration model. Finally, parametric studies are conducted to determine the thresholds of additional bridge deformations considering interlayer connection failure. Results show that the interlayer connection failure significantly affects the running safety of high-speed train and must be considered in determining the safety thresholds of additional bridge deformation in the asset management of high-speed railway bridges.
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참고문헌 (44)
참고문헌 신청
A. Alonso / 2014 / Wheel–rail contact: experimental study of the creep forces–creepage relationships / Vehicle System Dynamics 52(sup1):469~487
Hussein Yousif Aziz / 2012 / Experimental and Theoretical Static Analysis of High-Speed Railway Bridge Settlement for Deep Soft Soil / The Open Construction and Building Technology Journal 6(1):17~31
Xuecheng Bian / 2010 / Accumulative deformation in railway track induced by high-speed traffic loading of the trains / Earthquake Engineering and Engineering Vibration 9(3):319~326
I I-Yoon Choi / 2013 / The influence of track irregularities on the running behavior of high-speed trains / Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 227(1):94~102
Cui, S. A. / 2009 / Refined Simulation Study Between Vehicle and Bridge Based on Multi-body System Dynamics and Finite Element Method
Hussein Yousif Aziz / 2012 / Experimental and Theoretical Static Analysis of High-Speed Railway Bridge Settlement for Deep Soft Soil / The Open Construction and Building Technology Journal 6(1):17~31
Xuecheng Bian / 2010 / Accumulative deformation in railway track induced by high-speed traffic loading of the trains / Earthquake Engineering and Engineering Vibration 9(3):319~326
I I-Yoon Choi / 2013 / The influence of track irregularities on the running behavior of high-speed trains / Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 227(1):94~102
Cui, S. A. / 2009 / Refined Simulation Study Between Vehicle and Bridge Based on Multi-body System Dynamics and Finite Element Method
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