Research Article
Research on Corrosion Damage and Bearing Characteristics of Bridge Pile Foundation Concrete under a Dry-Wet-Freeze-Thaw Cycle
Table 7
Corrosion rate of the steel bar area at different ages under different embedding conditions (%).
| | Diameter of reinforcement | 1.25 m underground | 1.25 m underground | Surface | Water | | Time (d) | 90 | 270 | 360 | 90 | 270 | 360 | 90 | 270 | 360 | 90 | 270 | 360 |
| | φ12 | 4.7 | 5.6 | 59 | 3.9 | 5.5 | 75 | 6.1 | 6.8 | 89 | 7.1 | 7.8 | 81 |
| | φ25 | 4.6 | 5.3 | 65 | 3.9 | 5.2 | 66 | 5.8 | 6.5 | 91 | 7.5 | 7.4 | 76 |
| | φ25′ | 0 | 1.2 | 2.6 | 0 | 0.9 | 4.2 | 0 | 1.7 | 4.5 | 0 | 2.1 | 5.3 |
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