Vision-Based Dynamic Displacement Measurement of Isolation Bearing

Table 2

Test conditions.

Conditions	Mechanical performance	Loading situation
1	Horizontal shear,  = 100%	Continuous vertical loading of 2355 kN, horizontal loading sine wave, loading frequency 0.05 Hz, maximum horizontal displacement 80 mm
2	Horizontal shear,  = 250%	Continuous vertical loading of 2355 kN, horizontal loading of sine wave, loading frequency of 0.02 Hz, maximum horizontal movement of 200 mm
3	Vertical compression performance	Vertical reciprocating loading, 1648.5 kN–3061.5 kN