A Study on the Effect of Hollow Tubular Flange Sections on the Behavior of Cold-Formed Steel Built-Up Beams

Table 1

Specimen details.

Specimen	Length (mm)	Section dimensions
		(mm)	d (mm)	t (mm)	a (mm)	b (mm)	h (mm)	H (mm)
200 USW	1500	100	25	1.6	—	25	150	200
250USW	1500	100	25	1.6	—	25	200	250
300USW	1500	100	25	1.6	—	25	250	300
200SW	1500	100	25	1.6	17.5	17.5	150	200
250SW	1500	100	25	1.6	17.5	17.5	200	250
300SW	1500	100	25	1.6	17.5	17.5	250	300