Cyclic Behavior of Square CFST Columns-Based Joint

Table 1

Main information of specimens.

Specimens	Dimension of column section (mm)	Column height (mm)	Width–thickness ratio (D/t)	Slenderness ratio(λ)	Axial compression ratio(n)
No. 1	300 × 300 × 5	1,700	60	19.63	0.4
No. 2	300 × 300 × 10	1,700	30	19.63	0.4
No. 3	300 × 300 × 7.5	2,100	40	24.25	0.4
No. 4	300 × 300 × 7.5	1,700	40	19.63	0.2
No. 5	300 × 300 × 7.5	1,700	40	19.63	0.6
No. 6	300 × 300 × 7.5	1,700	40	19.63	0.4