Research Article

Coupling ATMD System for Seismic Response Control of Two Adjacent Buildings

Table 6

Comparison of adaptive performances between IAS and CAS in case of one actuator being failed.

ResponsesEQsIASCAS
Actuator 1 failedActuator 2 failedActuator 1 failedActuator 2 failed
Bld. 1Bld. 2Bld. 1Bld. 2Bld. 1Bld. 2Bld. 1Bld. 2

Maximum interstory drift (cm)El Centro2.850.961.092.482.381.551.581.66
Kobe3.561.491.533.472.581.491.982.20
Northridge3.461.262.042.213.321.482.021.97
Max.3.561.492.043.473.321.552.022.20

Maximum floor displ. (cm)El Centro19.776.467.2715.6214.398.427.3810.84
Kobe25.1511.1110.5724.3219.5110.1211.6615.46
Northridge18.478.2612.3112.2020.738.198.0911.85
Max.25.1511.1112.3124.3220.7310.1211.6615.46

Maximum base shear force (MN)El Centro5.252.342.026.314.403.952.924.24
Kobe6.563.802.828.834.763.803.655.60
Northridge6.393.193.775.636.133.763.725.01
Max.6.563.803.778.836.133.953.725.60

Maximum base moment (MN·m)El Centro138.6762.4550.98151.08100.8881.4451.72104.84
Kobe176.36107.5074.16235.24136.8597.8981.79149.51
Northridge129.5079.8986.35118.02145.4079.2356.72114.58
Max.176.36107.5086.35235.24145.4097.8981.79149.51

Maximum control force (kN)El Centro713.62745.982050.931360.33
Kobe977.17970.912051.381918.71
Northridge1419.191263.592303.901288.79
Max.1419.191263.592303.901918.71

Maximum TMD stroke (cm)El Centro69.92160.11208.6266.92262.05265.28215.32212.58
Kobe77.41254.30254.8471.37305.89301.34314.40311.01
Northridge52.72215.10373.0528.73371.99381.49285.26284.54
Max.77.41254.30373.0571.37371.99381.49314.40311.01

Maximum control power (MW)El Centro4.985.5413.1510.01
Kobe10.329.0423.2429.11
Northridge6.3114.5926.879.82
Max.10.3214.5926.8729.11