Research Article
Effect of Damping and Yielding on the Seismic Response of 3D Steel Buildings with PMRF
Table 9
Statistics of local damping reduction factors (
) for the 2–5 range.
| | | | | | Parameter | 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 |
| Axial | Ext. | Mean | 0.84 | 0.87 | 0.79 | 0.73 | 0.75 | 0.77 | 0.79 | 0.81 | 0.84 | 0.85 | 0.88 | 0.86 | 0.72 | 0.77 | 0.81 | 0.82 | COV | 0.13 | 0.14 | 0.15 | 0.13 | 0.15 | 0.13 | 0.20 | 0.18 | 0.11 | 0.11 | 0.09 | 0.10 | 0.09 | 0.13 | 0.13 | 0.13 | Int. | Mean | 0.77 | 0.75 | 0.81 | 0.81 | 0.75 | 0.77 | 0.79 | 0.79 | 0.77 | 0.76 | 0.74 | 0.74 | 0.73 | 0.75 | 0.75 | 0.76 | COV | 0.18 | 0.19 | 0.15 | 0.16 | 0.15 | 0.13 | 0.19 | 0.19 | 0.13 | 0.12 | 0.15 | 0.16 | 0.19 | 0.11 | 0.15 | 0.16 |
| Moment | Ext. | Mean | 0.87 | 0.86 | 0.89 | 0.89 | 0.87 | 0.87 | 0.89 | 0.89 | 0.87 | 0.87 | 0.91 | 0.89 | 0.88 | 0.88 | 0.91 | 0.92 | COV | 0.09 | 0.10 | 0.09 | 0.09 | 0.08 | 0.08 | 0.10 | 0.09 | 0.08 | 0.09 | 0.08 | 0.08 | 0.10 | 0.11 | 0.08 | 0.08 | Int. | Mean | 0.87 | 0.86 | 0.89 | 0.89 | 0.87 | 0.87 | 0.89 | 0.89 | 0.87 | 0.87 | 0.90 | 0.89 | 0.88 | 0.88 | 0.92 | 0.92 | COV | 0.10 | 0.09 | 0.09 | 0.09 | 0.08 | 0.08 | 0.09 | 0.09 | 0.08 | 0.09 | 0.08 | 0.08 | 0.11 | 0.11 | 0.08 | 0.08 |
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