Pedestrian on Footbridges, Vertical Loads and Response

This paper is a synthesis of experimental and theoretical investigations on dynamics of pedestrian bridges under vertical load. Finally, a simple procedure of investigation of dynamic response of a footbridge is presented. The subject is divided into three issues:

1. A pedestrian as a vertical dynamic load on footbridges, vertical lock-in effect theoretic load function for walking and crouching.
2. Crowd walking on a footbridge - pedestrian flow.
3. Response of the footbridge – numeric and site test results,
   • deck vertical vibrations under vertical excitation,
   • deck lateral vibrations under vertical excitation,
   • cable stayed footbridge
   • vibrations of stays.

In the author’s opinion, the presented procedures for numeric analysis of footbridges are forceful and useful for estimating the dynamic character of a footbridge at the design stage. 

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