Damage Identification of Bridge Based on Modal Flexibility and Neural Network Improved by Particle Swarm Optimization

Table 4

Training samples for damage severity identification of elements 5 and 8.

Node number	Damage severity (%)
	5	10	15	20
2	0.10	0.10	0.10	0.10
3	0.30	0.30	0.30	0.30
4	0.50	0.50	0.50	0.50
5	0.69	0.69	0.69	0.69
6	0.83	0.83	0.83	0.83
7	0.92	0.92	0.92	0.92
8	1.00	1.00	1.00	1.00
9	1.00	1.00	1.00	1.00
10	0.93	0.93	0.93	0.93
11	0.85	0.85	0.85	0.85
12	0.78	0.77	0.77	0.77
13	0.69	0.69	0.69	0.69
14	0.60	0.60	0.60	0.60
15	0.50	0.51	0.51	0.51
16	0.41	0.41	0.41	0.41
17	0.31	0.31	0.31	0.31
18	0.21	0.21	0.21	0.21
19	0.10	0.10	0.10	0.10
20	0.00	0.00	0.00	0.00