Effectiveness of Using Polymer Bumpers to Mitigate Earthquake-Induced Pounding between Buildings of Unequal Heights

Table 1

Properties of buildings.

Structural characteristics	Left building	Right building
Storey mass (kg)	9 × 10^6	5 × 10^6
Storey initial stiffness (N/m)	1.1237 × 10^10	5.2580 × 10^9
Storey yield force (N)	8.1101 × 10^7	2.4392 × 10^7
Storey damping coefficient (kg/s)	4.5185 × 10^7	2.5088 × 10^7
Natural vibration period (s)	1.76	1.10
Damping ratio	0.05	0.05