An Analytical Study of Square CFT Columns in Bracing Connection Subjected to Axial Loading

Table 1

Details of the steel tube and gusset plate.

Specimens	Dimension of the steel tube (mm)	Thickness of the gusset plate (mm)	Details of the gusset plate
SJ1-1/SJ2-1	400 × 10 × 400	12	Flat
SJ1-2/SJ2-2	400 × 10 × 400	18	Flat
SJ1-3/SJ2-3	400 × 10 × 400	12	Single hole:
SJ1-4/SJ2-4	400 × 10 × 400	12	Three pairs of solid square ribs