Experimental Behavior of Concrete-Filled Steel Tubular Members Subjected to Lateral Loads

Table 2

Details of the specimens.

Specimen number	D (mm)	t (mm)	L (mm)	Section type	Steel casing	fcu (MPa)	fy (MPa)
NC1	165	1.2	1200	Concrete section	Y	30.20	335
NC2	165	1.6	1200	Composite section	Y	30.20	335
NC3	165	1.2	1200	Composite section	Y	30.20	335
NC4	165	0.0	1200	Composite section	N	30.20	335

Note. D: sectional diameter of the circular steel tube; t: wall thickness of the steel tube; L: length of the specimens; composite section: reinforced concrete cross section; concrete section: concrete cross section; f_cu: concrete cube compressive strength; f_y: yield strength of steel.