Research Article
Experimental and Empirical Time to Corrosion of Reinforced Concrete Structures under Different Curing Conditions
Table 2
Description of different curing techniques and the results of 28-day compressive strength and chloride permeability.
| Curing technique | Description | 28-day (MPa) | RCPT (coulombs) | × 10−12 (m2/sec) |
| 1 | 28 days in air at 23°C | 53.16 | 3000 | 9.33 | 2 | 28 days in water at 23°C | 76.16 | 2072 | 7.52 | 3 | 3 days in water and then air both at 23°C | 73.33 | 2130 | 8.86 | 4 | 7 days in water and then air both at 23°C | 75.44 | 2100 | 8.32 | 5 | 3 days in water at 23°C and then air at 3–5°C | 65.85 | 2596 | 7.99 | 6 | 7 days in water at 23°C and then air at 3–5°C | 69.21 | 2432 | 7.85 | 7 | 28 days in air at 3–5°C | 47.45 | 3120 | 9.62 | 8 | 1 day in water at 50°C and then water at 23°C | 58.91 | 3093 | 12.2 | 9 | 3 days in water at 50°C and then water at 23°C | 59.38 | 3633 | 15.0 | 10 | 7 days in water at 50°C and then water at 23°C | 57.88 | 3700 | 18.0 |
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