Vehicle Parameters Influence on Railway Double-Track Pre-Stressed Concrete Continuous Bridge Vertical Load-Carrying Natural Frequency

Jiang Ying Ren; Mu Biao Su; Wen Ping Li

doi:10.4028/www.scientific.net/AMR.446-449.2544

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 446-449Vehicle Parameters Influence on Railway...

Vehicle Parameters Influence on Railway Double-Track Pre-Stressed Concrete Continuous Bridge Vertical Load-Carrying Natural Frequency

Abstract:

When two lines with 20 same high-speed passenger vehicles are traveling on the 40 m+4×72 m+40 m party pre-stressed concrete continuous box-girder bridge from both ends, this bridge vertical load-carrying frequency is calculated with the vehicle-bridge system mode1. When the vehicle parameters, such as the unsprung mass of each wheel-set of the vehicle, the suspension spring stiffness, the vehicle length and the mass of the vehicle, are changed, the bridge vertical load-carrying frequencies are changed too. But when the train speed is changed, the bridge vertical load-carrying frequencies aren’t changed. It is shown that the bridge vertical load-carrying frequency is the vehicle-bridge system natural frequency, it is only depend on its natural parameters.

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Periodical:

Advanced Materials Research (Volumes 446-449)

Pages:

2544-2547

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.446-449.2544

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Online since:

January 2012

Authors:

Jiang Ying Ren, Mu Biao Su, Wen Ping Li

Keywords:

Double-Track Pre-Stressed Concrete Continuous Bridge, Vehicle Parameters, Vehicle-Bridge System, Vertical Load-Carrying Natural Frequency

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References

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