Axial Cyclic Testing of Concrete-Filled Steel Tube Columns in Diagrid Structures

Table 1

Specific parameters of the specimens.

Specimens	D (mm)	t (mm)	fy (MPa)		l0 (mm)	ξ	Loading procedure
HST-1	140	3	Q235	—	450	—	2
CFST-2	140	3	Q235	C40	450	0.77	1
CFST-3	140	3	Q235	C40	450	0.77	2
CFST-4	140	3	Q235	C40	450	0.77	3
CFST-5	140	3	Q235	C50	450	0.63	2
CFST-6	140	3	Q235	C40	750	0.77	2
CFST-7	140	3	Q235	C40	1000	0.77	2
HST-8	133	3.5	Q235	—	400	—	2
CFST-9	133	3.5	Q235	C40	400	1.01	2
CFST-10	133	3.5	Q235	C50	400	0.83	2