Research Article
Analytical Solution for the Steady-State Karst Water Inflow into a Tunnel
Table 1
Characteristic data for verification.
| Characteristic | Value |
| The pressure head of the cavern | 54 m | The radius of the tunnel | 7.25 m | The radius of the cavern | 4 m | The radius of the grouting circle | 2.25 m | The initial support radius | 2 m | Permeability coefficient of surrounding rocks | cm·s-1 | Permeability coefficient of grouting circle | 10-7 cm·s-1 | Permeability coefficient of initial support | 10-8 cm·s-1 |
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