Research Article
Tunnel Back Analysis Based on Differential Evolution Using Stress and Displacement
Table 3
Summary of analysis cases.
| Cases | Observation parameters | Thickness of segment lining | Radius of tunnel | Hydrostatic pressure |
| A-1 | Displacement | — | 3 m | 10 MPa | A-2 | — | 5 m | 10 MPa | A-3 | — | 5 m | 20 MPa |
| B-1 | Displacement | 0.2 m | 3 m | 11 MPa | B-2 | 0.2 m | 5 m | 11 MPa | B-3 | 0.2 m | 5 m | 21 MPa |
| C-1 | Displacement and stress | 0.2 m | 3 m | 11 MPa | C-2 | 0.2 m | 5 m | 11 MPa | C-3 | 0.2 m | 5 m | 21 MPa |
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