Hybrid Recentering Energy Dissipative Device for Seismic Protection

Table 3

Initial lateral stiffness, initial natural period/frequency, and damping coefficient of shear frames used for the time history analyses.

Frame	Initial lateral stiffness (×10^6 N/m)	Initial natural period (s)	(rad/s)	(kN·s/m)
SF-N	1.255	0.335	18.76	2.67
SF-RCVF	12.13	0.1077	58.34	62.38
SF-RC	12.13	0.1077	58.34	8.32
SF-VF	1.255	0.335	18.76	20.06