Experimental Study and Direct Strength Method for Cold-Formed Steel Built-Up I-Sectional Columns under Axial Compression

Figure 20

Failure modes of finite element analysis for section DC7510 series. (a) 3000 mm. (b) 2500 mm. (c) 2000 mm. (d) 1500 mm. (e) 1000 mm. (f) 500 mm.

(a)

(b)

(c)

(d)

(e)

(f)