Research Article

In-Plane Interactive Buckling of High Strength Steel Welded Wide Web I-Section Beam-Columns

Figure 6

Axial nondimensional ultimate compressive load (Pu/Afy) versus overall slenderness λl under different ε curves: (a) Q460; (b) Q690; (c) Q800, and (d) Q960.
(a)
(b)
(c)
(d)