Research Article

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

Table 4

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

Earthquake
SC1 SC2 EQ1EQ22D1 2D2SD1SD2
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

10.540.560.620.560.470.610.640.510.540.580.510.540.660.690.770.71
20.90.930.880.760.870.930.880.880.920.950.880.850.991.010.980.97
30.870.950.760.820.760.750.880.820.90.970.760.820.990.970.90.92
40.740.590.670.80.760.590.790.840.700.600.730.750.900.700.940.94
50.910.940.850.820.90.610.830.750.690.940.810.820.860.970.980.96
60.480.790.750.570.570.420.640.860.40.730.760.670.760.70.790.76
70.840.830.770.750.760.770.880.870.90.850.780.720.950.970.920.92
80.740.610.860.640.680.480.810.840.740.660.660.820.740.580.970.79
90.830.660.880.770.850.910.830.890.820.750.840.820.950.930.960.97
100.790.960.880.890.90.780.870.880.80.960.90.90.860.970.990.97
110.860.840.870.850.640.810.850.910.850.810.870.810.920.940.990.96
120.830.570.820.60.850.590.740.680.860.750.780.810.950.970.920.76
130.590.710.770.750.890.670.870.650.580.780.770.770.620.830.980.93
140.630.770.890.890.840.910.730.90.60.770.880.930.660.840.970.97
150.560.840.740.710.680.660.750.730.480.780.60.750.690.820.630.71
160.490.590.530.570.840.550.490.660.50.60.570.580.520.530.910.48
170.910.890.830.870.780.640.890.900.870.880.880.880.930.970.940.94
180.860.620.670.620.590.630.510.560.640.500.640.660.580.50.90.99
190.640.510.680.680.70.680.640.610.50.670.690.60.810.480.940.81
200.770.910.620.850.540.750.690.670.730.670.560.540.510.870.710.6

Mean0.740.750.770.740.740.690.760.770.700.760.740.750.790.810.910.85
COV0.200.200.140.150.170.200.160.160.230.180.160.160.200.220.110.17