Research Article
Multiparameter Inversion Early Warning System of Tunnel Stress-Seepage Coupling Based on IA-BP Algorithm
Table 9
Parametric reverse analysis results.
| | Parameter category | Elastic modulus E (GPa) | Internal friction angle (°) | Cohesion c (MPa) | Creep coefficient A | Creep parameters n | Permeability coefficient K (m/s) |
| | Inversion value | 1.51 | 38.22 | 1.64 | 1.11 10–13 | 2.43 | 1.24 × 10−7 |
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