Research Article

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

Table 5

Statistics of damping global reduction factors ( ) for shears and the 2–5 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

10.640.760.770.780.740.750.750.770.710.750.740.750.700.780.770.82
20.950.940.930.900.910.930.940.930.930.950.930.900.981.000.960.96
30.950.950.850.860.850.810.950.920.840.950.870.871.000.970.960.90
40.860.820.880.870.810.890.920.920.920.790.870.870.930.860.920.91
50.930.930.940.910.890.840.930.900.920.940.930.910.940.950.960.95
60.860.820.840.740.860.700.860.940.850.830.840.770.940.770.850.95
70.900.880.880.870.760.820.920.910.800.900.880.850.950.990.970.90
80.940.880.940.940.910.800.930.920.940.910.950.940.950.800.950.96
90.850.870.880.910.950.920.910.910.950.870.880.910.920.910.920.97
100.850.950.970.930.880.920.910.900.860.950.970.930.910.960.990.96
110.910.930.930.930.890.920.900.940.890.940.930.930.910.941.010.96
120.930.910.880.840.940.850.890.790.880.920.870.920.940.950.880.86
130.800.840.870.870.890.830.960.830.910.840.880.870.850.890.970.95
140.870.900.920.940.920.910.880.900.940.910.920.940.900.970.950.96
150.870.920.900.830.880.910.820.850.930.900.900.870.860.820.890.86
160.710.710.770.790.740.740.700.840.850.760.820.810.630.800.830.86
170.920.940.900.900.820.970.910.910.920.930.910.890.920.950.920.92
180.830.730.810.710.740.750.710.740.900.710.820.760.800.750.950.91
190.840.860.820.820.790.710.920.800.880.820.890.860.800.700.900.87
200.870.880.850.940.820.940.880.910.950.870.760.840.770.860.740.68

Mean0.860.870.880.860.850.850.880.880.890.870.880.870.880.880.910.91
COV0.090.080.060.080.080.100.090.070.070.080.070.070.110.100.080.08