Table 3: Influence of the number and locations of isolated substructures on control performance under El Centro ground motion.

ProgramsMaximum displacement of top main structure (m)Maximum acceleration of top substructure (m/s2)Total input energy
×106 (J)
Transfer energy
×106 (J)
Ratio (%)

50.24854.69094.05092.613464.51
40.25834.62702.606656.33
30.26834.02931.736743.10
20.27924.00631.434735.81

4, 50.19054.72943.09262.410577.94
3, 50.19384.80973.16162.338173.95
2, 50.22995.37323.23442.041863.13

3, 4, 50.15653.40373.05672.764990.45
2, 4, 50.18123.39132.86212.293380.13

2, 3, 4, 50.12070.77402.31532.273698.20