Research Article

Effective Semiactive Base Isolation System under Multiple Earthquakes

Table 6

Average of the peak responses for various sets of Q.

Various setsPeak acceleration (cm/s2)Peak interstory drift (cm)Peak base drift (cm)
Optimal caser = 10−0.5rl-ar = 10−14r = 10−0.5rl-ar = 10−14r = 10−0.5rl-ar = 10−14Optimal case

A-12072082432960.0490.0530.0690.2930.2560.2450.239
A-22072082432960.0490.0530.0690.2930.2560.2450.239
A-32072082432960.0490.0530.0690.2930.2550.2440.238
A-42072082633250.0490.0600.0760.2930.2170.2120.201
A-52102122833570.0490.0690.0930.2890.1960.1580.154
A-62952953063430.0740.0840.0870.1820.1630.1580.155