KSCE Journal of Civil Engineering

, Volume 23, Issue 9, pp 4047–4062 | Cite as

Dynamic Response of High Speed Train Moving on Consecutive Bridges

  • Gunmo GuEmail author
  • Fuheng Yang
Structural Engineering


This research demonstrates how to analyse the dynamic response of a high-speed train moving over consecutive bridges. The authors explain in detail how to apply the uncoupled iterative method to consecutive bridges, by deriving the complete motion history for one bridge segment at a time, using the solution of the train as an initial condition for the next bridge. This algorithm is a highly cost-effective approach to analysing the train-bridge interaction for a high speed railway (HSR). The authors perform this analysis on two existing bridges: a simply supported Taiwan HSR bridge, and a three-span continuous Korea HSR bridge. The results show that both types of bridges are capable of supporting HSR trains at speeds up to 400 km/h with negligible carbody displacements and accelerations. This speed is greater than the current service speed of 300 km/h.


uncoupled iterative method railway bridge dynamics step by step integration train bridge interaction high speed railway 


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The authors thank Midas Information Technology Co., Ltd for financial support of this project.


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Copyright information

© Korean Society of Civil Engineers 2019

Authors and Affiliations

  1. 1.College of EngineeringSwansea UniversitySwanseaUK
  2. 2.Civil Engineering DivisionChina Railway Construction Corp. LtdBeijingChina

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