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

Figure 13

Load and lateral displacement curve of section DC7510 series. (a) DC7510-05-S150-N-1. (b) DC7510-15-S150-Y-1. (c) DC7510-20-S150-N-1.

(a)

(b)

(c)