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Mechanics model of additional longitudinal force transmission between bridges and continuously welded rails with small resistance fasteners

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Abstract

A new mechanics model, which reveals additional longitudinal force transmission between the continuously welded rails and the bridges, is established on the fact that the influence of the mutual relative displacement among the rail, the sleeper and the beam is taken into account. An example is presented and numerical results are compared. The results show that the additional longitudinal forces calculated with the new model are less than those of the previous, especially in the case of the flexible pier bridges. The new model is also suitable for the analysis of the additional longitudinal force transmission between rails and bridges of ballastless track with small resistance fasteners without taking the sleeper displacement into account, and compared with the ballast bridges, the ballastless bridges have a much stronger additional longitudinal force transmission between the continuously welded rails and the bridges.

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Authors and Affiliations

  1. School of Civil Engineering and Architecture, Central South University, 410075, Changsha, China

    Xu Qing-yuan (Doctoral candidate), Zhou Xiao-lin, Zeng Zhi-ping & Yang Xiao-li

Authors
  1. Xu Qing-yuan
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  2. Zhou Xiao-lin
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  3. Zeng Zhi-ping
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  4. Yang Xiao-li
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Corresponding author

Correspondence to Xu Qing-yuan.

Additional information

Foundation item: Project(2001G049) supported by the Foundation of the Science and Technology Section of Ministry of Railway of China

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Xu, Qy., Zhou, Xl., Zeng, Zp. et al. Mechanics model of additional longitudinal force transmission between bridges and continuously welded rails with small resistance fasteners. J Cent. South Univ. Technol. 11, 336–339 (2004). https://doi.org/10.1007/s11771-004-0069-3

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  • DOI: https://doi.org/10.1007/s11771-004-0069-3

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