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

Table 4

Percentage of error (PE) of some models used to predict the peak axial strength of concrete columns.

Designation of columns	Percentage of difference (%)
	Wu et al. [14]	Miyauchi et al. [39]	Benzaid and Mesbah [58]	Shehata et al. [59]	Tamuzs et al. [67]	Karbhari and Gao [60]	Youssef et al. [68]	Toutanji [61]	Wei and Wu [62]
NC-20-1	28.52	8.48	14.33	15.75	5.09	10.92	14.54	−0.12	12.88
NC-20-2	26.69	8.33	20.19	20.62	2.60	14.58	18.57	−1.93	16.63
NC-20-3	31.75	15.54	30.97	30.22	8.69	24.38	27.77	6.02	26.04
NC-40-1	11.94	−13.64	−8.21	−6.31	−17.05	−11.66	−7.54	−23.29	−9.40
NC-40-2	12.72	−10.06	1.15	2.27	−15.81	−4.54	0.22	−21.86	−2.04
NC-40-3	8.57	−13.80	3.09	3.11	−21.69	−4.59	0.29	−26.70	−2.11