Research Article
Seismic Response of Steel SMFs Subjected to Vertical Components of Far- and Near-Field Earthquakes with Forward Directivity Effects
Table 5
Comparison of the maximum axial force of columns in 3-, 5-, 8-, and 20-story buildings subjected to near- and far-field earthquakes.
| ā | No. of stories | Field | Axial column force (kN) | No. of columns | Record | Near/far |
| 3-story | 1 | Near | 61.750 | C14 | #Records11 | 1.129 | Far | 54.67 | C11 | #Record12 | 2 | Near | 42.224 | C14 | #Records11 | 1.031 | Far | 40.92 | C11 | #Record12 | 3 | Near | 27.819 | C14 | #Records11 | 1.058 | Far | 26.29 | C11 | #Record12 |
| 5-story | 1 | Near | 105.099 | C14 | #Records10 | 0.999 | Far | 105.13 | C14 | #Record8 | 2 | Near | 96.120 | C14 | #Records10 | 0.991 | Far | 96.95 | C14 | #Record8 | 3 | Near | 75.586 | C14 | #Records10 | 0.983 | Far | 76.91 | C14 | #Record8 | 4 | Near | 54.298 | C14 | #Records10 | 0.984 | Far | 55.20 | C14 | #Record8 | 5 | Near | 26.702 | C14 | #Records10 | 0.963 | Far | 27.73 | C14 | #Record8 |
| 8-story | 1 | Near | 357.76 | C14 | #Records11 | 0.780 | Far | 458.40 | C14 | #Record12 | 2 | Near | 337.45 | C14 | #Records11 | 0.775 | Far | 435.56 | C14 | #Record12 | 3 | Near | 301.11 | C14 | #Records11 | 0.776 | Far | 388.22 | C14 | #Record12 | 4 | Near | 261.27 | C14 | #Records11 | 0.778 | Far | 335.63 | C14 | #Record12 | 5 | Near | 209.32 | C14 | #Records11 | 0.765 | Far | 273.72 | C14 | #Record12 | 6 | Near | 165.23 | C14 | #Records11 | 0.763 | Far | 216.69 | C14 | #Record12 | 7 | Near | 120.52 | C14 | #Records11 | 0.766 | Far | 157.30 | C14 | #Record12 | 8 | Near | 71.40 | C14 | #Records15 | 0.742 | Far | 96.28 | C14 | #Record12 |
| 20-story | 1 | Near | 14330.09 | C14 | #Records5 | 1.267 | Far | 11312.26 | C14 | #Records13 | 2 | Near | 13563.66 | C14 | #Records5 | 1.283 | Far | 10569.36 | C14 | #Records13 | 3 | Near | 12707.71 | C14 | #Records5 | 1.299 | Far | 9780.81 | C14 | #Records13 | 4 | Near | 12707.71 | C14 | #Records5 | 1.402 | Far | 9060.82 | C14 | #Records13 | 5 | Near | 11016.25 | C14 | #Records5 | 1.318 | Far | 8356.13 | C14 | #Records13 | 6 | Near | 10155.81 | C14 | #Records5 | 1.324 | Far | 7667.54 | C14 | #Records13 | 7 | Near | 9348.77 | C14 | #Records5 | 1.337 | Far | 6988.96 | C14 | #Records13 | 8 | Near | 8556.42 | C14 | #Records5 | 1.354 | Far | 6320.06 | C14 | #Records13 | 9 | Near | 7744.19 | C14 | #Records5 | 1.363 | Far | 5680.05 | C14 | #Records13 | 10 | Near | 6917.78 | C14 | #Records5 | 1.365 | Far | 5068.28 | C14 | #Records13 | 11 | Near | 6084.43 | C14 | #Records5 | 1.364 | Far | 4461.07 | C14 | #Records13 | 12 | Near | 5227.68 | C14 | #Records5 | 1.313 | Far | 3979.52 | C14 | #Records13 | 13 | Near | 4342.26 | C14 | #Records5 | 1.245 | Far | 3488.41 | C14 | #Records13 | 14 | Near | 3558.95 | C13 | #Records4 | 1.203 | Far | 2958.85 | C14 | #Records13 | 15 | Near | 2929.68 | C13 | #Records4 | 1.215 | Far | 2410.56 | C14 | #Records13 | 16 | Near | 2303.32 | C13 | #Records4 | 1.230 | Far | 1871.98 | C14 | #Records13 | 17 | Near | 1733.34 | C13 | #Records4 | 1.287 | Far | 1347.13 | C14 | #Records13 | 18 | Near | 1181.83 | C13 | #Records4 | 1.348 | Far | 876.72 | C14 | #Records13 | 19 | Near | 726.91 | C13 | #Records10 | 1.506 | Far | 482.47 | C14 | #Records13 | 20 | Near | 312.53 | C13 | #Records10 | 1.766 | Far | 176.97 | C14 | #Records13 |
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