Effective Semiactive Base Isolation System under Multiple Earthquakes

Table 9

Average of the peak responses for various sets of response weighting parameters under testing earthquakes.

Various sets	Peak Acceleration (cm/s^2)				Peak interstory drift (cm)			Peak base drift (cm)
	Optimal case	r = 10^−0.5	rl-a	r = 10^−14	r = 10^−0.5	rl-a	r = 10^−14	r = 10^−0.5	rl-a	r = 10^−14	Optimal case
A-1	156	160	170	206	0.041	0.044	0.049	0.265	0.250	0.236	0.235
A-2	156	160	170	206	0.041	0.044	0.049	0.265	0.250	0.236	0.235
A-3	156	160	172	208	0.041	0.044	0.049	0.265	0.250	0.235	0.234
A-4	158	160	205	245	0.041	0.051	0.062	0.265	0.213	0.201	0.198
A-5	163	164	223	339	0.042	0.059	0.089	0.263	0.185	0.151	0.151
A-6	241	241	269	358	0.065	0.079	0.082	0.174	0.156	0.151	0.151