Effect of Concrete Age and Creep on the Behavior of Concrete-Filled Steel Tube Columns

Table 7

Registered load at each stage (kN).

Number	1st stage	2nd stage	3rd stage	4th stage	5th stage	6th stage	7th stage
1#	53.05	102.45	154.42	204.31	253.60	306.10	355.20
2#	53.31	103.40	153.87	203.30	252.75	305.05	354.28
3#	53.54	102.70	152.94	202.90	252.58	303.37	349.58
4#	54.48	103.40	151.44	208.40	253.92	305.79	355.70
5#	52.90	103.16	150.71	204.46	253.00	304.43	354.28
6#	49.40	103.50	152.39	205.95	255.11	306.54	355.99