Study on Stressing State and Failure Criterion of Concrete-Filled Stainless Steel and Steel Tubular Column

Table 1

Size and strength of axial compression specimens.

Specimen number	D0 × t0 (mm × mm)	Di × t (mm × mm)	L (mm)	χ	fy0 (MPa)	fyi (MPa)	fcu (MPa)
Z-48-a	114 × 2	48 × 1.6	342	0.44	278.7	235	48
Z-48-b	114 × 2	48 × 1.6	342	0.44	278.7	235	48
Z-76-a	114 × 2	76 × 1.6	342	0.69	278.7	235	48
Z-76-b	114 × 2	76 × 1.6	342	0.69	278.7	235	48
Z-89-a	114 × 2	89 × 1.6	342	0.81	278.7	235	48
Z-89-b	114 × 2	89 × 1.6	342	0.81	278.7	235	48