Research Article
Study on Seismic Response Characteristics of Shield Tunnel in Soil-Rock Combination Stratum
Table 6
Similar physical parameters of the foundation material model.
| Material | Unit weight γ (kN·m−3) | Modulus of elasticity E/(MPa) | Cohesion c/(kPa) | Internal friction angle φ (°) |
| Silty clay | 17.9 | 0.6 | 30.2 | 17.8 | Surrounding rocks | 21.2 | 200 | 217 | 35 |
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