FRP-Confined Concrete Columns: A New Procedure for Evaluating the Performance of Square and Circular Sections

Table 1

Details of FRP-confined column specimens and experimental key results.

Source	r (mm)		n	(%)	fco (MPa)	fcc/fco	E (MJ/m^3)		εcou (%)	μεo	με/μεo
Bournas et al. [29]	25	0.25	2	0.680	15.28	2.00	0.21	4.03	0.37	1.68	2.24
	25	0.25	3	1.020	15.28	2.27	0.36	6.77	0.37	1.68	2.37
Karabinis and Rousakis [31]	—	1.00	1	0.234	38.50	1.12	0.24	3.06	0.41	2.08	1.06
	—	1.00	1	0.234	38.50	1.08	0.22	2.51	0.41	2.08	2.63
	—	1.00	1	0.234	38.50	1.19	0.22	1.31	0.41	2.08	1.69
	—	1.00	2	0.468	38.50	1.34	0.38	4.01	0.41	2.08	1.34
	—	1.00	2	0.468	38.50	1.30	0.22	2.36	0.41	2.08	1.37
	—	1.00	2	0.468	38.50	1.43	0.37	3.90	0.41	2.08	1.32
	—	1.00	1	0.234	35.70	1.19	0.32	7.00	0.20	1.51	2.62
	—	1.00	1	0.234	35.70	1.18	0.29	9.93	0.20	1.51	2.36
	—	1.00	1	0.234	35.70	1.15	0.08	1.80	0.20	1.51	1.99
	—	1.00	2	0.468	35.70	1.40	0.23	5.07	0.20	1.51	1.08
	—	1.00	2	0.468	35.70	1.36	0.37	8.13	0.20	1.51	1.15
	—	1.00	2	0.468	35.70	1.40	0.40	8.76	0.20	1.51	1.12
Rousakis et al. [32]	30	0.30	1	0.234	33.04	1.16	0.14	3.39	0.17	1.49	2.88
	30	0.30	1	0.234	33.04	1.17	0.11	2.70	017	1.49	2.23
	30	0.30	1	0.234	34.20	1.23	0.14	3.81	0.18	2.26	2.44
	30	0.30	1	0.234	34.20	1.23	0.22	6.05	0.18	2.26	2.12
	30	0.30	3	0.828	33.04	1.29	0.12	2.92	0.17	1.49	6.36
	30	0.30	3	0.828	33.04	1.27	0.11	2.63	0.17	1.49	3.31
	30	0.30	6	1.656	37.97	1.39	0.45	5.33	0.22	2.14	2.79
	30	0.30	6	1.656	37.97	1.38	0.46	5.45	0.22	2.14	2.08
Wang and Wu [7]	15	0.20	1	0.440	31.90	1.05	0.50	3.41	0.68	3.71	2.78
	30	0.40	1	0.440	32.30	1.23	0.62	5.24	0.68	3.71	1.60
	45	0.60	1	0.440	30.70	1.43	0.75	5.52	0.68	3.71	1.05
	60	0.80	1	0.440	54.10	1.57	0.75	4.64	0.68	3.71	0.75
	—	1.00	1	0.440	30.90	1.80	1.09	6.76	0.68	3.71	0.69
	15	0.20	2	0.880	31.90	1.32	1.01	6.28	0.68	3.71	1.23
	30	0.40	2	0.880	32.30	1.75	1.19	7.42	0.68	3.71	0.61
	45	0.60	2	0.880	30.70	2.22	1.48	9.19	0.68	3.71	0.50
	60	0.80	2	0.880	54.10	2.48	1.53	9.53	0.68	3.71	0.52
	—	1.00	2	0.880	30.90	2.74	1.83	11.39	0.68	3.71	0.43
Wu and Wei [33]	30	0.40	1	0.445	35.30	1.17	0.28	3.84	0.30	3.35	1.64
	30	0.40	2	0.891	35.30	1.71	0.77	10.57	0.30	3.35	1.48