Experimental and Empirical Time to Corrosion of Reinforced Concrete Structures under Different Curing Conditions

Table 3

Experimental corrosion initiation, cracking, and damage periods for all samples.

Prism sample	Corrosion initiation time (days)	Cracking time (days)	Prism sample	Damage time (days)	Predicted corrosion initiation time (years)
1-20-1	1	2	2-20-1	11	—
1-20-2	2	4.5	2-20-2	14	—
1-20-3	2	3.5	2-20-3	13.5	—
1-20-4	2	3.5	2-20-4	12.5	—
1-20-5	1.5	3	2-20-5	12	—
1-20-6	1.5	3	2-20-6	11	—
1-20-7	1	3	2-20-7	10	—
1-20-8	1.5	2.5	2-20-8	10	—
1-20-9	1	2	2-20-9	9	—
1-20-10	1	2	2-20-10	9	—
1-30-1	4	8	2-30-1	17	—
1-30-2	6	12	2-30-2	22.5	—
1-30-3	5	11	2-30-3	22	—
1-30-4	5	11	2-30-4	21.5	—
1-30-5	6	10	2-30-5	19	—
1-30-6	5	9	2-30-6	18	—
1-30-7	5	9	2-30-7	17	—
1-30-8	5	6.5	2-30-8	15	—
1-30-9	4	6.5	2-30-9	14	—
1-30-10	3	6.5	2-30-10	12	—
1-40-1	12	15.5	2-40-1	26	—
1-40-2	20	24.5	2-40-2	36	—
1-40-3	19	23	2-40-3	34	—
1-40-4	18	22.5	2-40-4	33	—
1-40-5	16	22	2-40-5	32	—
1-40-6	14	21	2-40-6	31	—
1-40-7	12	20	2-40-7	29	—
1-40-8	10	13	2-40-8	26	—
1-40-9	8	11	2-40-9	25	—
1-40-10	7	10	2-40-10	24	—
1-60-1	25	25	2-60-1	67	2
1-60-2	53	65	2-60-2	76	3.8
1-60-3	52	63	2-60-3	75	3.2
1-60-4	50	58	2-60-4	74	3.4
1-60-5	46	51	2-60-5	70	3.5
1-60-6	43	49	2-60-6	69	3.6
1-60-7	42	48	2-60-7	68	2.6
1-60-8	21	27	2-60-8	65	1.8
1-60-9	20	24	2-60-9	65	1.3
1-60-10	18	23	2-60-10	65	1