Research Article
Methodology and Application of Safety Evaluation of Reinforced Concrete Girder Bridges during Earthquakes
| Earthquake damage grade | Basically intact | Slight damage | Medium damage | Severe damage | Destruction |
| Actual earthquake damage rate | 19/89 | 18/89 | 25/89 | 9/89 | 18/89 | Predicted earthquake damage rate | 19/89 | 17/89 | 27/89 | 8/89 | 18/89 | Seismic damage index Y | Y ≤ 1.39 | 1.39 < Y ≤ 2.04 | 2.04 < Y ≤ 3.87 | 3.87 < Y ≤ 4.82 | Y > 4.82 |
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