Fundamental Frequencies of Vibration of Footbridges in Portugal: From In Situ Measurements to Numerical Modelling

Table 9

Comparison of frequencies (Hz) between the analytical model and measurements in  situ.

MODES	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
Analytical	0.84	1.23	1.48	2.23	2.59	3.30	3.56	4.22	4.89	5.27	5.49	6.04	6.53	6.98	7.52
In  situ	0.88		1.7		3.12	3.55	4.52	5.06	5.66			6.59