Fundamental Frequencies of Vibration of Footbridges in Portugal: From <i>In Situ</i> Measurements to Numerical Modelling

<table>Main typologies of footbridges in Portugal.</table>

Shock and Vibration

Figure 3: Fundamental Frequencies of Vibration of Footbridges in Portugal: From <i>In Situ</i> Measurements to Numerical Modelling 