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Shock and Vibration
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Shock and Vibration
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2014
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Article
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Fig 18
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Research Article
Fundamental Frequencies of Vibration of Footbridges in Portugal: From
In Situ
Measurements to Numerical Modelling
Figure 18
Modes of vibration: (a) 1st longitudinal; (b) 2nd tranversal; (c) 3rd vertical, central span.
(a)
(b)
(c)