Damage Identification of Urban Overpass Based on Hybrid Neurogenetic Algorithm Using Static and Dynamic Properties

Table 11

Damage severity identification result of multidamage using strain ratio as parameter.

Output results	Testing cases
	M1	M2	M3	M4	M5	M6	M7	M8
Expected outputs	0.2	0.3	0.35	0.4	0	0	0	0
	0	0	0	0	0.2	0.3	0.35	0.4
	0.3	0.35	0.35	0.2	0	0	0	0
	0	0	0	0	0.3	0.35	0.35	0.2
Actual outputs	0.205	0.302	0.349	0.397	−0.001	0.000	0.000	0.000
	0.000	0.000	0.000	−0.001	0.203	0.301	0.349	0.410
	0.307	0.350	0.348	0.200	0.000	0.000	0.000	−0.003
	0.000	0.000	0.000	0.003	0.307	0.348	0.348	0.203
Relative errors (%)	2.39	0.64	0.42	0.64
					1.69	0.21	0.37	2.41
	2.17	0.02	0.62	0.17
					2.42	0.43	0.55	1.71