Seismic Retrofit of a Multispan Prestressed Concrete Girder Bridge with Friction Pendulum Devices

Table 3

Nonlinear static procedure parameters and results.

	Equivalent SDOF parameters for Capacity Spectrum definition					BCS Yield Point			Reduction factor parameters			Performance point
	[kN]					[mm]						[mm]
Pushover	17945	0.92	39.0	0.027	0.403	6.56	0.089	LS	6.18	0.771	3.71	40.5	0.089
								CP	7.94	0.831	4.36	52.1	0.089
Pushover	17945	0.90	39.0	0.029	0.609	11.54	0.076	LS	5.75	0.748	4.73	64.3	0.076
								CP	7.26	0.809	5.71	83.8	0.076