Research Article

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

Table 8

Statistics of local damping reduction factors ( ) for the 0–2 range.

ParameterSC1SC2EQ1EQ22D12D2SD1SD2
N-S E-W N-S E-W N-S E-W N-S E-W N-S E-WN-S E-WN-S E-W N-S E-W

AxialExt.Mean 0.630.630.620.530.450.480.550.580.440.530.570.690.440.480.590.62
COV 0.270.260.240.290.390.380.320.330.300.250.340.220.440.350.340.32
Int.Mean 0.420.420.500.490.430.470.520.470.350.370.400.460.420.460.490.54
COV 0.430.420.350.350.400.400.320.360.330.410.410.380.420.440.330.38

MomentExt.Mean 0.770.720.810.800.770.720.810.800.440.750.440.800.790.790.900.90
COV 0.230.230.140.140.230.230.140.140.300.210.300.170.200.200.110.11
Int.Mean 0.770.710.810.800.770.710.810.800.350.760.350.800.790.790.910.91
COV 0.230.220.140.150.230.220.140.150.330.220.330.180.200.200.110.11