A model of pedestrian-induced bridge vibration based on full-scale measurement

Delong Zuo, Jieying Hua, Dean Van Landuyt

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

It is now well-known that, under pedestrian excitation, flexible footbridges can exhibit large-amplitude vibrations that impact their serviceability. In particular, some footbridges of suspended spans have exhibited significant lateral oscillation due to pedestrian-bridge interaction. This paper presents the characteristics of pedestrian-induced vibration of a prestressed concrete beam bridge observed using full-scale measurement. The effect of the pedestrian loading on the oscillation frequency of the bridge, as well as its implication on the mechanism of pedestrian-bridge interaction, is investigated. Based on the understanding of the prototype vibration, a model is developed to enable assessment of the amplitude of footbridge vibration induced by pedestrian excitation.

Original languageEnglish
Pages (from-to)117-126
Number of pages10
JournalEngineering Structures
Volume45
DOIs
StatePublished - Dec 2012

Keywords

  • Bridge
  • Lateral vibration
  • Pedestrian excitation
  • Synchronization

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