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 | | | | | SC1 | SC2 | EQ1 | EQ2 | 2D1 | 2D2 | SD1 | SD2 | 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 |
| 1 | 0.64 | 0.76 | 0.77 | 0.78 | 0.74 | 0.75 | 0.75 | 0.77 | 0.71 | 0.75 | 0.74 | 0.75 | 0.70 | 0.78 | 0.77 | 0.82 | 2 | 0.95 | 0.94 | 0.93 | 0.90 | 0.91 | 0.93 | 0.94 | 0.93 | 0.93 | 0.95 | 0.93 | 0.90 | 0.98 | 1.00 | 0.96 | 0.96 | 3 | 0.95 | 0.95 | 0.85 | 0.86 | 0.85 | 0.81 | 0.95 | 0.92 | 0.84 | 0.95 | 0.87 | 0.87 | 1.00 | 0.97 | 0.96 | 0.90 | 4 | 0.86 | 0.82 | 0.88 | 0.87 | 0.81 | 0.89 | 0.92 | 0.92 | 0.92 | 0.79 | 0.87 | 0.87 | 0.93 | 0.86 | 0.92 | 0.91 | 5 | 0.93 | 0.93 | 0.94 | 0.91 | 0.89 | 0.84 | 0.93 | 0.90 | 0.92 | 0.94 | 0.93 | 0.91 | 0.94 | 0.95 | 0.96 | 0.95 | 6 | 0.86 | 0.82 | 0.84 | 0.74 | 0.86 | 0.70 | 0.86 | 0.94 | 0.85 | 0.83 | 0.84 | 0.77 | 0.94 | 0.77 | 0.85 | 0.95 | 7 | 0.90 | 0.88 | 0.88 | 0.87 | 0.76 | 0.82 | 0.92 | 0.91 | 0.80 | 0.90 | 0.88 | 0.85 | 0.95 | 0.99 | 0.97 | 0.90 | 8 | 0.94 | 0.88 | 0.94 | 0.94 | 0.91 | 0.80 | 0.93 | 0.92 | 0.94 | 0.91 | 0.95 | 0.94 | 0.95 | 0.80 | 0.95 | 0.96 | 9 | 0.85 | 0.87 | 0.88 | 0.91 | 0.95 | 0.92 | 0.91 | 0.91 | 0.95 | 0.87 | 0.88 | 0.91 | 0.92 | 0.91 | 0.92 | 0.97 | 10 | 0.85 | 0.95 | 0.97 | 0.93 | 0.88 | 0.92 | 0.91 | 0.90 | 0.86 | 0.95 | 0.97 | 0.93 | 0.91 | 0.96 | 0.99 | 0.96 | 11 | 0.91 | 0.93 | 0.93 | 0.93 | 0.89 | 0.92 | 0.90 | 0.94 | 0.89 | 0.94 | 0.93 | 0.93 | 0.91 | 0.94 | 1.01 | 0.96 | 12 | 0.93 | 0.91 | 0.88 | 0.84 | 0.94 | 0.85 | 0.89 | 0.79 | 0.88 | 0.92 | 0.87 | 0.92 | 0.94 | 0.95 | 0.88 | 0.86 | 13 | 0.80 | 0.84 | 0.87 | 0.87 | 0.89 | 0.83 | 0.96 | 0.83 | 0.91 | 0.84 | 0.88 | 0.87 | 0.85 | 0.89 | 0.97 | 0.95 | 14 | 0.87 | 0.90 | 0.92 | 0.94 | 0.92 | 0.91 | 0.88 | 0.90 | 0.94 | 0.91 | 0.92 | 0.94 | 0.90 | 0.97 | 0.95 | 0.96 | 15 | 0.87 | 0.92 | 0.90 | 0.83 | 0.88 | 0.91 | 0.82 | 0.85 | 0.93 | 0.90 | 0.90 | 0.87 | 0.86 | 0.82 | 0.89 | 0.86 | 16 | 0.71 | 0.71 | 0.77 | 0.79 | 0.74 | 0.74 | 0.70 | 0.84 | 0.85 | 0.76 | 0.82 | 0.81 | 0.63 | 0.80 | 0.83 | 0.86 | 17 | 0.92 | 0.94 | 0.90 | 0.90 | 0.82 | 0.97 | 0.91 | 0.91 | 0.92 | 0.93 | 0.91 | 0.89 | 0.92 | 0.95 | 0.92 | 0.92 | 18 | 0.83 | 0.73 | 0.81 | 0.71 | 0.74 | 0.75 | 0.71 | 0.74 | 0.90 | 0.71 | 0.82 | 0.76 | 0.80 | 0.75 | 0.95 | 0.91 | 19 | 0.84 | 0.86 | 0.82 | 0.82 | 0.79 | 0.71 | 0.92 | 0.80 | 0.88 | 0.82 | 0.89 | 0.86 | 0.80 | 0.70 | 0.90 | 0.87 | 20 | 0.87 | 0.88 | 0.85 | 0.94 | 0.82 | 0.94 | 0.88 | 0.91 | 0.95 | 0.87 | 0.76 | 0.84 | 0.77 | 0.86 | 0.74 | 0.68 |
| Mean | 0.86 | 0.87 | 0.88 | 0.86 | 0.85 | 0.85 | 0.88 | 0.88 | 0.89 | 0.87 | 0.88 | 0.87 | 0.88 | 0.88 | 0.91 | 0.91 | COV | 0.09 | 0.08 | 0.06 | 0.08 | 0.08 | 0.10 | 0.09 | 0.07 | 0.07 | 0.08 | 0.07 | 0.07 | 0.11 | 0.10 | 0.08 | 0.08 |
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