Research Article

Effect of Damping and Yielding on the Seismic Response of 3D Steel Buildings with PMRF

Table 6

Statistics of global damping reduction factors ( ) for displacements and the 0–2 range.

Earthquake
SC1SC2EQ1EQ22D12D2SD1SD2
N-S E-W N-S E-W N-S E-W N-S E-W N-S E-W N-S E-W N-S E-W N-S E-W

10.560.580.660.610.610.750.740.580.570.60.550.610.660.680.770.71
20.950.960.910.830.940.960.910.950.950.960.920.870.991.010.970.97
30.950.970.790.870.930.810.960.920.950.970.80.870.980.970.90.92
40.80.640.730.850.850.840.870.940.710.610.780.790.900.70.940.93
50.930.950.890.870.950.750.890.820.80.960.870.880.860.960.970.96
60.470.820.790.60.660.460.690.930.410.740.790.710.760.70.790.76
70.870.890.820.790.830.850.950.930.90.870.840.760.960.960.920.92
80.750.610.880.660.770.530.850.890.780.680.70.870.740.580.970.78
90.840.690.90.80.930.950.920.940.850.790.880.850.950.930.970.97
100.80.970.920.910.950.80.940.920.810.970.930.920.860.960.990.97
110.890.920.920.890.910.810.940.960.880.880.910.860.920.930.990.97
120.890.610.850.640.970.680.770.70.870.830.820.860.960.970.910.76
130.590.740.80.80.910.890.970.740.60.790.810.820.620.830.980.93
140.630.790.90.910.80.930.760.930.610.800.890.940.660.840.960.97
150.560.830.780.730.730.830.80.790.530.810.610.770.690.820.620.71
160.50.60.540.590.880.60.530.70.510.620.60.60.520.530.910.48
170.930.930.840.890.810.760.930.940.920.930.90.90.930.970.940.94
180.880.640.70.650.620.690.510.580.650.530.690.690.580.50.90.98
190.650.540.690.710.710.70.680.650.510.720.720.630.810.480.940.82
200.780.920.630.880.60.840.730.680.770.690.580.550.510.870.710.6

Mean0.760.780.800.770.820.770.820.820.730.790.780.790.790.810.900.85
COV0.210.200.140.150.150.170.170.160.230.170.160.150.200.220.110.17