Experimental Tests and Analytical Modelling of a Scaled Isolated Structure on Sliding and Elastomeric Bearings

Table 6

Results of characterization by shaking table tests (free vibrations of isolated structure).

Test	Displacement range of isolator system (mm)	Period (s)	Damping factor (%)	Equivalent stiffness of the isolation system (kN/m)
1	5.3–2.8	0.42	8.3	2824.0
2	13.1–5.0	0.51	13.5	1570.8
3	20.6–9.2	0.58	11.7	1154.8
4	33.0–13.4	0.64	13.5	902.6
5	7.7–4.3	0.46	8.2	2107.4