Performance Analysis of CFRP Composite Strips Confined RC Columns under Axial Compression

Table 2

Test results of previous studies: stress enhancement ratio.

Paper	Diameter of the column, (mm)	Height of the column,; (mm)	Compressive stress value of unconfined column; (), N/mm^2	Confinement type	Type of fibre	Stress enhancement ratio,; /
Abdollahi et al. [27]	150	300	41.7	Full wrap	Normal modulus CFRP	3.32
Au and Buyukozturk [28]	150	375	24.2	Full wrap	GFRP	1.81
Pon et al. [29]	150	1200	9.6	Full wrap	CFRP	3.26
Bisby et al. [30]	150	300	34.4	Full wrap	CFRP	1.28
Aire et al. [31]	150	300	42	Full wrap	CFRP and GFRP	2.57
Silva [32]	150	750	26.21	Full wrap	Normal modulus CFRP	1.56
Almusallam [33]	150	300	50.80	Full wrap	Normal modulus CFRP	2.10
Silva and Rodriguez [34]	250	750	31.2	Full wrap	CFRP	3.03
Benzaid et al. [35]	160	320	49.5	Full wrap	Normal modulus CFRP	2.55
Smith et al. [36]	250	500	35	Full wrap	CFRP	1.69
Erdil et al. [37]	150	300	20.8	Full wrap	CFRP	2.96
Akogbe et al. [38]	300	600	26.5	Full wrap	CFRP	3.19
Miyauchi et al. [39]	100	200	31.2	Full wrap	CFRP	3.26
Wang and Wu [40]	150	300	30.9	Full wrap	CFRP	2.41
Hosotani et al. [41]	200	600	41.72	Full wrap	CFRP	2.23
Shehata et al. [42]	225	450	34	Full wrap	CFRP	2.41
Santarosa et al. [43]	150	300	28.1	Full wrap	CFRP	3.05
Thériault et al. [44]	304	608	37	Full wrap	CFRP and GFRP	3.89
Valdmanis et al. [45]	150	300	44.3	Full wrap	CFRP	2.60
Wang and Wu [46]	194	582	51.6	Full wrap	AFRP	3.37
Present study	125	800	20.54	Strip wrap (20 mm spacing)	Normal modulus CFRP	2.99

: stress value of FRP confined column.