Research Article
A New Bayesian Network Model for the Risk Assessment of Water Inrush in Karst Tunnels
Table 3
Risk classification of topography and geomorphology.
| Risk classification | The proportion of negative relief (%) | Definition |
| I | >60 | Strong water storage capacity | II | 30~60 | Moderate water storage capacity | III | 10~30 | Weak water storage capacity | IV | <10 | Terrible water storage capacity |
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