Dynamic Property Analysis of Orthotropic Bridge Deck with Local Fatigue Crack

Table 4

Frequency of local vibration mode (Type 3 damage).

Local mode	Frequency (Hz)
	Heathy	Case 1	Error (%)	Case 2	Error (%)
1	126.21751	126.07544	−0.113	119.06372	−5.668
2	142.82004	142.70092	−0.083	138.47059	−3.045
3	148.12576	148.12547	−0.000	147.37262	−0.508
4	159.98489	159.96930	−0.010	148.14346	−7.402
5	162.14186	162.10340	−0.024	160.46715	−1.033