Prediction of Load Capacity Variation in FRP Bonded Concrete Specimens Using Brownian Motion

Table 1

Specimens of Dai et al. [6] and their fracture energy bounds.

Specimen		(mm)	(KN)	Theoretical; (N/mm)	lower bound; (N/mm)	upper bound; (N/mm)	upper and lower bounds away from theoretical; (%)
CR1L1	0.00904	0.064	23.4	1.034	0.614	1.454	40.62
CR1L1	0.01046	0.066	23.1	1.384	0.905	1.863	34.70
CR1L1	0.00908	0.053	24.9	1.043	0.579	1.507	44.45
CR1L2	0.00664	0.069	33.5	1.115	0.818	1.412	26.63
CR1L2	0.00682	0.061	39.3	1.177	0.852	1.502	27.61
CR1L2	0.00732	0.077	39.3	1.356	1.046	1.667	22.86
CR1L3	0.00509	0.064	42.9	0.983	0.746	1.212	23.29
CR1L3	0.00554	0.057	38.4	1.165	0.892	1.438	23.43
CR1L3	0.00525	0.062	38.4	1.042	0.794	1.290	23.80
CR1L3	0.00496	0.059	36.9	0.930	0.690	1.170	25.81
AR1L1	0.01260	0.070	25.5	1.476	0.916	2.036	37.94
AR1L2	0.00955	0.073	833.6	1.450	1.034	1.856	28.00
AR1L3	0.00606	0.068	39.9	1.351	1.078	1.624	21.54
GR1L5	0.00732	0.062	33.4	1.171	0.825	1.517	29.54
CR2L1	0.01124	0.111	28.1	1.598	1.201	1.995	24.84
CR2L2	0.00809	0.123	43.2	1.656	1.385	1.927	32.73
CR2L3	0.00596	0.103	47.4	1.343	1.125	1.561	16.23
AR2L3	0.00668	0.111	47.1	1.642	1.406	1.878	14.37
GR2L3	0.00869	0.090	31.0	1.208	0.867	1.548	28.14
CR3L2	0.00980	0.290	47.7	2.430	2.216	2.644	8.80
CR3L3	0.00732	0.227	57.6	2.205	2.024	2.386	8.20
AR3L3	0.00923	0.309	60.9	3.135	2.940	3.330	6.22
						Average (%)	25.4