Research Article
Evaluation of Waterlogging Risk in an Urban Subway Station
Table 5
Grading criteria for evaluation indexes.
| Grade | Terrain | River course | Rainwater facility | Feed-water pipe | Groundwater | Regional importance |
| I | 0.95 | 0.1 | 0.05 | 0.03 | 0.90 | 0.85 | II | 0.75 | 0.2 | 0.20 | 0.15 | 0.70 | 0.70 | III | 0.55 | 0.40 | 0.35 | 0.23 | 0.77 | 0.55 | IV | 0.35 | 0.55 | 0.50 | 0.35 | 0.45 | 0.45 | V | 0.2 | 0.70 | 0.65 | 0.45 | 0.3 | 0.3 |
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