Research Article
Analysis of Settlement Induced by Shield Construction of the Metro Passing under Existing Buildings Based on the Finite Difference Method
Table 1
The properties of each stratigraphic and tunnel lining.
| | Group | Thickness (m) | Weight (kN/m3) | Shear (MPa) | Bulk (MPa) | Cohesion (kPa) | Friction (°) | Porosity | Permeability coefficient (cm/s) |
| | Sandy silt | 6.99 | 18.2 | 15.846 | 34.333 | 7.7 | 23.0 | 0.45 | 2.4e-5 | | Sandy silt with silty sand | 4.48 | 18.5 | 22.596 | 48.958 | 4.7 | 27.8 | 0.37 | 9.8e-3 | | Silty sand | 9.52 | 18.6 | 25.115 | 54.417 | 4.5 | 28.8 | 0.37 | 9.8e-3 | | Silty clay with silty soil | 6.00 | 18.2 | 16.615 | 36.000 | 6.5 | 19.2 | 0.41 | 1.4e-5 | | Sandy silty with silty clay | 4.00 | 18.0 | 11.827 | 25.625 | 8.1 | 18.4 | 0.41 | 9.1e-7 | | Silty sand with silty soil | 9.00 | 18.6 | 23.115 | 50.083 | 3.5 | 27.3 | 0.4 | 3.6e-4 | | Silty clay with silty soil | 10.01 | 18.0 | 11.827 | 25.625 | 8.1 | 18.4 | 0.4 | 3.6e-6 | | Tunnel lining | C50 | 0.35 | 25.0 | 14781.5 | 17267.3 | — | — | — | — |
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