Research Article
Predicting Excavation-Induced Tunnel Response by Process-Based Modelling
Table 5
Soil parameters before and after inverse analysis.
| | Stratum | Original | Optimized | | Sandy silt | Clayey silt | Sandy silt | Clayey silt |
| | Thickness (m) | 20 | 16 | 20 | 16 | | Unit weight (kN/m3) | 19.3 | 18.9 | 19.3 | 18.9 | | (MPa) | 15.00 | 9.00 | 3.09 | 1.85 | | (MPa) | 15.00 | 9.00 | 3.09 | 1.85 | | (MPa) | 60.00 | 50.00 | 12.36 | 10.3 | | (MPa) | 200.00 | 184.00 | 41.19 | 37.9 | | 2.00 × 10−4 | 4.00 × 10−4 | 4.12 × 10−5 | 8.23 × 10−5 | | c (kPa) | 5 | 6 | 5 | 6 | | φ (°) | 34 | 18.5 | 34 | 18.5 | | M | 0.8 | 0.8 | 0.8 | 0.8 |
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