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

Table 4

Model parameter level settings.

Specimen number	Di (mm)	t0 (mm)	fcu (MPa)	fyo (MPa)	fyi (MPa)	Nu (kN)	Nf (kN)
1	40	1.2	40	275	235	514	481
2	40	1.6	50	335	300	600	518
3	40	2.0	60	412	345	911	821
4	40	2.4	70	496	400	1163	1043
5	50	2.4	40	335	345	804	761
6	50	2.0	50	275	400	738	651
7	50	1.6	60	496	235	929	793
8	50	1.2	70	412	300	790	709
9	60	1.6	40	412	400	740	666
10	60	1.2	50	496	345	754	673
11	60	2.4	60	275	300	779	681
12	60	2.0	335	235	235	837	763
13	70	2.0	40	496	300	908	811
14	70	2.4	50	412	235	801	705
15	70	1.2	60	335	400	670	571
16	70	1.6	70	275	345	700	601