Vertical Load-Carrying Natural Frequency of Railway Double-Track Steel Truss Continuous Bridge

Jian Ying Ren; Wen Ping Li; Mu Biao Su

doi:10.4028/www.scientific.net/AMR.243-249.1968

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 243-249Vertical Load-Carrying Natural Frequency of...

Vertical Load-Carrying Natural Frequency of Railway Double-Track Steel Truss Continuous Bridge

Abstract:

The railway double-track continuous bridge vertical load-carrying frequency is theoretical derived with the vehicle-bridge system mode1. The vertical load-carrying frequencies of the3×64 m through stud welding railway steel truss bridge are calculated, when two trains with 20 same high-speed passenger vehicles are traveling on the bridge from both ends. The change regularity of this double-track continuous bridge vertical load-carrying natural frequency with two trains on it is similar with the single-track simply supported bridge and this bridge vertical load-carrying natural frequency only one train on it. This bridge vertical load-carrying frequency when two train on it is smaller than that only train on it. The maximum deviation percentage between the vertical load-carrying natural frequency and the vertical natural frequency is 6.0452%. The vertical load-carrying frequency can be replaced by the average value.

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Periodical:

Advanced Materials Research (Volumes 243-249)

Pages:

1968-1971

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.243-249.1968

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Online since:

May 2011

Authors:

Jian Ying Ren, Wen Ping Li, Mu Biao Su

Keywords:

Railway Double-Track Bridge, Steel Truss Continuous Bridge, Vehicle-Bridge System, Vertical Load-Carrying Natural Frequency

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References

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