Analysis on the Time-Varying Fragility of Offshore Concrete Bridge

Table 8

Damage index and uncertainty of different bridge components.

Components	Minor damage		Medium damage		Serious damage		Complete collapse
	Sc	βc	Sc	βc	Sc	βc	Sc	βc
μ of 1^# pier	1	0.246	1.199	0.246	1.482	0.472	4.482	0.472
μ of 2^# pier	1	0.246	1.203	0.246	1.276	0.472	4.276	0.472
μ of 3^# pier	1	0.246	1.203	0.246	1.259	0.472	4.259	0.472
μ of 4^# pier	1	0.246	1.198	0.246	1.485	0.472	4.485	0.472
μ of 5^# pier	1	0.246	1.200	0.246	1.456	0.472	4.456	0.472
Δ of bearing (mm)	0.037	0.246	0.104	0.246	0.136	0.472	0.187	0.472
Δ of bridge platform (mm)	0.025	0.246	0.050	0.246	0.100	0.472	0.150	0.472