Seismic Analysis of Reticulated Shell Structure Based on Sensor Network for Smart Transportation Seismic Isolation Bearings

Table 4

Mechanical performance parameters of isolation bearings.

Peak acceleration	0.01 g			0.02 g
Vertical pressure (kN)	25	35	45	25	35	45
Equivalent stiffness (kN/mm)	1.186	1.674	2.140	0.981	1.24	1.401
Energy consumption per unit cycle (J)	200	341	410	420	658	942
Equivalent damping ratio	0.331	0.374	0.401	0.215	0.284	0.325