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

Table 6

Comparative error analysis of calculation and finite element skeleton curves.

No.	Elastic stiffness of calculation result (mm/kN)	Elastic stiffness of FE result (mm/kN)	The comparative error of elastic stiffness (%)	The ultimate bearing capacity of calculation result (kN)	The ultimate bearing capacity of FE result (kN)	The comparative error of the ultimate bearing capacity (%)
A0	5.32	5.78	92.64	69.63	71.50	97.38
B0	3.97	4.85	78.16	51.4	61.09	84.13
C0	4.66	5.77	80.76	49.64	56.24	88.26
D0	3.47	3.48	99.28	44.48	48.52	91.67
A1	5.73	6.22	92.12	73.55	73.88	99.55
B1	4.67	6.12	76.20	53.74	62.60	85.84
C1	4.51	5.73	76.42	50.39	57.49	87.65
D1	3.77	4.45	82.03	44.56	48.72	91.45
A2	5.18	6.47	80.06	78.00	73.47	94.16
B2	4.39	5.94	73.90	60.7	965.7	92.38
C2	4.75	5.50	86.36	57.26	57.48	99.61
D2	3.64	3.95	92.51	46.73	48.14	97.07