Correlation of Surface Cracks of Concrete due to Corrosion and Bond Strength (between Steel Bar and Concrete)

Table 2

Experimental results (mass loss of steel reinforcement, average crack width of concrete, and bond strength loss).

Specimen	Mass loss (%)	Average crack width (mm)	Bond loss ratio (MPa)
25-N-0	0	0	1
25-N-1	0.97	0.20	0.88
25-N-2	2.05	0.35	0.62
25-N-3	4.12	0.55	0.41
25-N-4	5.83	0.95	0.19
25-N-5	7.73	1.45	0.15
25-S240-0	0	0	1
25-S240-1	1.03	0.35	0.77
25-S240-2	2.22	0.55	0.60
25-S240-3	4.38	0.85	0.51
25-S240-4	5.74	1.05	0.48
25-S240-5	8.47	1.45	0.40
25-S120-0	0	0	1
25-S120-1	1.17	0.35	0.95
25-S10-2	3.22	0.70	0.82
25-S120-3	5.84	1.20	0.71
25-S120-4	7.06	1.10	0.50
25-S120-5	8.32	1.40	0.68
25-S60-0	0	0	1
25-S60-1	0.85	0.20	1.10
25-S60-2	1.72	0.55	1.02
25-S60-3	2.96	0.65	0.92
25-S60-4	5.82	0.90	0.90
25-S60-5	8.68	1.00	0.82
25-N-0	0	0	1
40-N-1	0.52	0.20	0.78
40-N-2	2.36	0.55	0.45
40-N-3	5.12	1.00	0.25
40-N-4	7.81	1.20	0.32
40-N-5	8.26	1.45	0.15
40-S240-0	0	0	1
40-S240-1	1.04	0.30	0.92
40-S240-2	2.24	0.90	0.53
40-S240-3	4.10	1.40	0.40
40-S240-4	5.77	1.50	0.27
40-S240-5	8.81	1.60	0.28
40-S120-0	0	0	1
40-S120-1	2.06	0.30	0.96
40-S240-2	3.14	0.65	0.83
40-S120-3	5.02	1.15	0.51
40-S120-4	6.44	1.45	0.43
40-S120-5	8.76	1.50	0.47
40-S60-0	0	0	1
40-S60-1	0.96	0.25	0.98
40-S60-2	2.86	0.60	0.87
40-S60-3	3.82	0.85	0.85
40-S60-4	6.46	0.90	0.82
40-S60-5	7.96	1.00	0.68