Research Article
Evaluation of the Seismic Behavior Based on the Performance of Special Steel Moment Frames by Modified Energy Method and Force Design Method
Table 5
Final design results of energy and LRFD methods in 24-story structures.
| Type number and cross section assigned to each of the beams and columns of the frame | Design methods |
| 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | |
| W40 × 372 | W40 × 372 | W40 × 372 | W40 × 372 | W40 × 372 | W40 × 397 | W40 × 397 | W40 × 397 | W40 × 397 | W40 × 431 | W40 × 431 | W40 × 431 | W40 × 431 | LRFD | W40 × 372 | W40 × 397 | W40 × 431 | W40 × 503 | W40 × 503 | W40 × 503 | W40 × 503 | W40 × 593 | W40 × 593 | W40 × 593 | W40 × 593 | W40 × 593 | W36 × 650 | Energy |
| 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | |
| W18 × 86 | W18 × 86 | W21 × 93 | W27 × 114 | W27 × 114 | W30 × 148 | W30 × 148 | W33 × 169 | W33 × 263 | W33 × 263 | W33 × 263 | W40 × 277 | W40 × 277 | LRFD | W21 × 68 | W21 × 68 | W21 × 55 | W30 × 90 | W33 × 130 | W40 × 149 | W40 × 183 | W40 × 211 | W44 × 230 | W44 × 262 | W44 × 290 | W40 × 324 | W44 × 335 | Energy |
| 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 28 | 27 | |
| W16 × 77 | W16 × 77 | W18 × 76 | W18 × 76 | W18 × 76 | W18 × 76 | W18 × 76 | W18 × 76 | W18 × 76 | W18 × 76 | W18 × 76 | W18 × 86 | W18 × 86 | LRFD | W21 × 62 | W21 × 62 | W24 × 62 | W24 × 62 | W24 × 62 | W24 × 62 | W21 × 68 | W21 × 68 | W21 × 68 | W21 × 68 | W21 × 68 | W21 × 68 | W21 × 68 | Energy |
| | | | | 48 | 47 | 46 | 45 | 44 | 43 | 42 | 41 | 40 | |
| | | | | W12 × 58 | W12 × 58 | W12 × 58 | W12 × 58 | W16 × 77 | W16 × 77 | W16 × 77 | W16 × 77 | W16 × 77 | LRFD | | | | | W16 × 31 | W16 × 40 | W21 × 44 | W18 × 50 | W21 × 50 | W21 × 55 | W21 × 55 | W24 × 55 | W24 × 55 | Energy |
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