Table 7.
τ (R2 ≥0.98) of regression equation in Equation (21) for the life prediction curves.
| CFRP plates | Media | Strain level (%) | Shanghai 17.0 °C | Tianjin 13.7 °C | Vancouver 10.3 °C | Homer 3.5 °C |
|---|---|---|---|---|---|---|
| Epoxy-based CFRPs | Water | 0 | 24,369.4 | 30,408.4 | 38,405.8 | 62,327.8 |
| 30% | 10,527.6 | 12,757.9 | 15,623.8 | 23,784.5 | ||
| 58% | 3704.8 | 4247.9 | 4907.2 | 6618.7 | ||
| Seawater | 0 | 17,178.4 | 21,150.5 | 26,338.9 | 41,512.4 | |
| 30% | 9063.9 | 10,937.7 | 13,335.1 | 20,113.4 | ||
| 58% | 2972.0 | 3377.7 | 3865.6 | 5113.6 | ||
| PU-based CFRPs | Water | 58% | 7012.2 | 8084.8 | 9394.2 | 12,824.8 |
| Seawater | 58% | 4787.3 | 5409.8 | 6154.1 | 8040.3 |