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.

GradeE (MPa)fy (MPa)fu (MPa)εst (%)εu (%)Material constitutive relation

Q4602.06 × 1054605502.0014.0

Q6902.06 × 105690770fy/E8.0
Q8002.06 × 105800840fy/E7.0
Q9602.06 × 105960980fy/E5.5