Seismic Fragility Analysis of Bridge System Based on Fuzzy Failure Criteria

Table 5

Damage index under different damage states.

Component	Damage index (unit)	Damage state
		SL	MO	EX	CO
V-shaped beams/transition piers	Curvature ductility ratio	1	2	4	7
Bearings	Displacement (m)	0.2	0.4	0.6	0.8