Experimental Investigation and Load Capacity of Slender Cold-Formed Lipped Channel Sections with Holes in Compression

Figure 5

Initial geometric imperfections of specimens. (a) C7510-NH-1. (b) C7508-CH3-1. (c) C8008-NH-1. (d) C9008-NH-1.

(a)

(b)

(c)

(d)