Hysteretic Behavior of Specimens of Circular Concrete-Filled CFRP-Steel Tubular Beam-Column

Table 5

Comparative error analysis of test and finite element skeleton curves.

No.	Elastic stiffness of test (mm/kN)	Elastic stiffness of FE result (mm/kN)	The comparative error of elastic stiffness (%)	The ultimate bearing capacity of test (kN)	The ultimate bearing capacity of FE result (kN)	The comparative error of the ultimate bearing capacity (%)
A0	6.16	5.78	93.83	72.64	71.50	98.43
B0	5.18	4.85	93.62	60.08	61.09	98.34
C0	4.53	5.07	80.50	58.26	56.24	96.53
D0	3.67	3.48	94.82	56.47	48.52	85.92
A1	5.18	6.22	83.27	74.9	73.88	98.63
B1	5.41	6.12	88.39	63.92	62.60	97.93
C1	4.99	5.73	87.08	61.70	57.49	93.17
D1	4.79	4.45	92.90	60.61	48.72	80.39
A2	5.63	6.47	87.01	72.18	73.47	98.24
B2	5.31	5.94	89.39	67.13	65.7	97.86
C2	5.28	5.50	96.00	65.52	57.48	87.72
D2	4.73	3.95	83.50	62.21	50.14	79.38