Experimental Study and Proposal to Improve the EWM Design of Cold-Formed Steel Lipped Channel Columns with Circular Holes under Axial Compression

Figure 10

Buckling modes of the specimen C80-10-1H3-2. (a) Local buckling. (b) Distortional buckling. (c) Failure in interaction buckling.

(a)

(b)

(c)