Research Article
In-Plane Interactive Buckling of High Strength Steel Welded Wide Web I-Section Beam-Columns
Table 1
Parameters for constitutive model of HSS.
| Grade | E (MPa) | fy (MPa) | fu (MPa) | εst (%) | εu (%) | Material constitutive relation |
| Q460 | 2.06 × 105 | 460 | 550 | 2.00 | 14.0 | |
| Q690 | 2.06 × 105 | 690 | 770 | fy/E | 8.0 | | Q800 | 2.06 × 105 | 800 | 840 | fy/E | 7.0 | Q960 | 2.06 × 105 | 960 | 980 | fy/E | 5.5 |
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