Research Article
Energy Dissipation and Local, Story, and Global Ductility Reduction Factors in Steel Frames under Vibrations Produced by Earthquakes
Table 9
PS ratio, 3-level building.
| ST | NS direction | EW direction | Sa/g values | Sa/g values | 0.4 | 0.6 | 0.8 | 1.0 | 1.2 | 0.4 | 0.6 | 0.8 | 1.0 | 1.2 |
| 1 | 27.5 | 12.9 | 9.3 | 7.3 | 6.1 | 29.6 | 15.2 | 11.2 | 9.2 | 7.7 | 2 | 65.5 | 25.8 | 16.4 | 12.4 | 10.2 | 75.6 | 33.5 | 20.6 | 15.8 | 12.6 | 3 | 181.3 | 55.8 | 31.4 | 21.9 | 17.1 | 194.3 | 70.0 | 36.5 | 24.6 | 18.9 |
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