Mass-Stiffness Combined Perturbation Method for Mode Shape Monitoring of Bridge Structures

Table 3

Optimization mass perturbation location of damage scenarios.

Damage scenarios		Mode no.
		First	Second	Third	Fourth
FEM analysis	D-1	17	10	7	15
	D-2	3	10	19	15
	D-3	16	10	12	15
	D-4	4	10	14	15
Laboratory test	D1	3	19	6	17
	D2	3	3	14	16
	D3	4	14	6	16
	D4	5	6	14	11