Research Article
Numerical Analysis of the Influence of Foundation Pit Blasting on a Nearby Metro Tunnel
Table 3
Calculation parameters for rock, soil, and lining.
| | Name of stratum | Depth (m) | Density (kg/m3) | Poisson’s ratio | C (kPa) | Φ (°) | Bulk modulus (MPa) | Shear modulus (MPa) | Tensile strength (kPa) |
| | Miscellaneous fill | 4 | 1800 | 0.35 | 10 | 10 | 5.0 | 1.7 | | | Silty clay | 8 | 1900 | 0.34 | 25 | 15 | 16.7 | 6 | 25 | | Highly weathered rock | 6 | 2200 | 0.3 | 120 | 25 | 416.7 | 192.3 | 500 | | Medium weathered rock | 9 | 2400 | 0.27 | 500 | 28 | 1449.3 | 787.4 | 1600 | | Lining | 0.3 | 2600 | 0.17 | 3200 | 62 | 17424.2 | 14743.6 | 1800 |
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