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Shock and Vibration
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Shock and Vibration
/
2014
/
Article
/
Tab 5
/
Research Article
Fundamental Frequencies of Vibration of Footbridges in Portugal: From
In Situ
Measurements to Numerical Modelling
Table 5
Comparison of frequencies (Hz) between measurements
in situ
and the analytical model.
Mode direction
Measurements
in situ
Analytical model
Longitudinal
2.54
2.55
Vertical
3.42 to 3.52
3.52
Torsion about
(longitudinal)
?
5.27
Torsion about
(vertical)
?
5.74
Transversal
6.74 to 6.84
6.38