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

Figure 19

Load and axial shorten displacement curves of built-up I-sectional columns with different slenderness ratios. (a) DC8910 series. (b) DC14010 series. (c) DC7012 series. (d) DC14012 series. (e) DC7510 series. (f) DC10010 series.

(a)

(b)

(c)

(d)

(e)

(f)