Table 3 Corrosion weight per unit length of different anchor bars for 3 months of corrosion.
From: Performance evolution of prestressing anchor bars in corrosive environments experimental study
pH | Corrosion weight per unit length (g cm−1) | |||||||
|---|---|---|---|---|---|---|---|---|
No prestressing | 24% stress level | 36% stress level | 48% stress level | |||||
Measured value | Average value | Measured value | Average value | Measured value | Average value | Measured value | Average value | |
5.0 | 0.057 | 0.055 | 0.074 | 0.071 | 0.075 | 0.078 | 0.092 | 0.097 |
0.060 | 0.076 | 0.086 | 0.110 | |||||
0.048 | 0.063 | 0.073 | 0.089 | |||||
7.0 | 0.036 | 0.031 | 0.040 | 0.033 | 0.050 | 0.043 | 0.056 | 0.047 |
0.033 | 0.032 | 0.040 | 0.044 | |||||
0.024 | 0.027 | 0.039 | 0.041 | |||||
9.0 | 0.026 | 0.016 | 0.028 | 0.019 | 0.026 | 0.020 | 0.026 | 0.019 |
0.012 | 0.016 | 0.018 | 0.016 | |||||
0.010 | 0.013 | 0.016 | 0.015 | |||||