Eccentric Compression Performance of Core-Steel Tube with T-Shaped Steel Reinforced Concrete Column

Table 1

Comparison of ultimate strength between FEA results (N_num) and experimental results (N_exp).

References	Specimens	B (mm)	D × t (mm)	fys (MPa)	ρs (%)	e (mm)	Nexp (kN)	Nnum (kN)	Nnum/Nexp
[28]	CRSTRC1	250	90 × 5	363	1.3	—	4,872	4,883	1.00
	CRSTRC2	250	90 × 5	363	1.3	—	4,967	5,094	1.03
	CRSTRC3	250	90 × 5	363	1.3	—	4,926	4,992	1.01
	CRSTRC4	250	90 × 5	363	1.3	—	5,090	5,076	1.00
	CRSTRC5	250	90 × 5	363	1.3	—	5,096	4,949	0.97
	CRSTRC6	250	90 × 5	363	1.3	—	4,960	5,063	1.02
	CRSTRC7	250	90 × 5	363	1.3	—	4,760	4,885	1.03
	CRSTRC8	250	90 × 5	363	1.3	—	4,921	5,069	1.03
	CRSTRC9	250	90 × 5	363	1.3	—	4,967	5,112	1.03
[30]	CFCST-1	300	133 × 4.5	339	0.89	50	2,210	2,203	1.00
	CFCST-2	300	133 × 4.5	339	0.89	100	1,427	1,348	0.94
	CFCST-3	300	133 × 4.5	339	0.89	130	1,111	1,069	0.96
	CFCST-4	300	133 × 4.5	339	0.89	150	922	865	0.94
	CFCST-5	300	133 × 4.5	339	0.89	190	602	616	1.02
	CFCST-6	300	133 × 4.5	339	0.89	220	501	521	1.04
	CFCST-7	300	89 × 7	339	0.89	190	531	576	1.08
	CFCST-8	300	102 × 6	339	0.89	190	573	608	1.06
	CFCST-9	300	168 × 3.5	339	1.00	190	611	657	1.08
	CFCST-10	300	133 × 4.5	339	1.58	190	660	705	1.07
	CFCST-11	300	133 × 4.5	339	2.11	190	671	754	1.12
	CFCST-12	300	133 × 4.5	339	2.64	190	791	816	1.03
	Average ratio of numerical to measured value								1.02
	Standard deviation								0.05

Note. B represents the width of the cross-section of specimens; D and t in order represent the steel tube outside diameter and thickness; f_ys denotes the steel tube strength; ρ_s is the reinforcement ratio, and e is the eccentric distance.