Resonance characteristics of high-speed trains passing simply supported bridges

S. H. Ju, H. T. Lin

Research output: Contribution to journalArticlepeer-review

84 Citations (Scopus)

Abstract

This paper investigates the resonant characteristics of three-dimensional bridges when high-speed trains pass them. Multi-span bridges with high piers and simply supported beams were used in the dynamic finite element analysis. The dominated train frequencies proposed in this study can be clearly seen from the finite element result. To avoid resonance, the dominated train frequencies and the bridge natural frequencies should be as different as possible, especially for the first dominated train frequency and the first bridge natural frequency in each direction. If the two first frequencies are similar, the bridge resonance can be serious. This study also indicates that a suitable axial stiffness between two simple beams can reduce vibrations at a near-resonance condition. The axial stiffness of the continuous railway and the friction of the bearing plate should be enough to obtain this axial stiffness.

Original languageEnglish
Pages (from-to)1127-1141
Number of pages15
JournalJournal of Sound and Vibration
Volume267
Issue number5
DOIs
Publication statusPublished - 2003 Nov 6

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics
  • Mechanics of Materials
  • Acoustics and Ultrasonics
  • Mechanical Engineering

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