Detection, Localization, and Quantification of Damage in Structures via Artificial Neural Networks

Table 8

Updated numerical frequencies of the Z24 bridge.

Vibration mode	FE model		SSI-DATA (Hz)	Difference (%)
	Initial (Hz)	Updated (Hz)
1	3.73	3.86	3.87	−0.26
2	5.14	5.04	5.01	0.70
3	9.64	9.75	9.79	−0.33
4	10.25	10.37	10.31	0.52
5	12.52	12.81	12.79	0.14
6	13.35	13.39	13.50	−0.85