Research Article
Reliability Assessment for PSC Box-Girder Bridges Based on SHM Strain Measurements
Table 2
Calculation combination of reliability index.
| Combination | Vehicle load stress | Temperature gradient load stress | Reliability index calculation formula |
| 1 | DS3 < 0 | Top plate tension | DS4-DS3 < 0 | Top plate tension | (5) | 2 | DS4 > 0 | Bottom plate tension | DS4-DS3 > 0 | Bottom plate tension | (3) | 3 | DS4 > 0 | Bottom plate tension | DS4-DS3 < 0 | Top plate tension | (5), (7) |
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