Research Article
In-Plane Interactive Buckling of High Strength Steel Welded Wide Web I-Section Beam-Columns
Table 4
α1, α2, α3 for overall buckling factor in GB50017-2017.
| Section type | α1 | α2 | α3 |
| A | 0.41 | 0.986 | 0.152 | B | 0.65 | 0.965 | 0.300 |
| c | ≤ 1.05 | 0.73 | 0.906 | 0.595 | > 1.05 | | 1.216 | 0.302 |
| d | ≤ 1.05 | 1.35 | 0.868 | 0.915 | > 1.05 | | 1.375 | 0.432 |
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