Research Article
Analysis of Foundation Pit Design of Metro Station in Complex Environment
Table 2
Physical and mechanical property index of stratum soil in Luboyuan Station.
| | Stratum name | Water content (%) | Density (g/cm3) | Void ratio | Liquidity index | Compression modulus (MPa) | Cohesion (kPa) | Internal friction angle (°) | Permeability coefficient (cm/s) |
| | Miscellaneous soil | 31.9 | 1.93 | 0.867 | 0.54 | 5.84 | — | — | — | | Plain filling soil | 31.9 | 1.91 | 0.892 | 0.59 | 4.18 | — | — | 0.14 × 10−6 | | Muddy silty clay (with microscale sand) | 39.2 | 1.80 | 1.105 | 1.22 | 3.36 | 14.4 | 15.9 | 0.87 × 10−6 | | Silty sand | 23.2 | 1.94 | 0.703 | — | 13.18 | 2.9 | 31.4 | 1.76 × 10−3 | | Silty sand | 26.9 | 1.88 | 0.810 | — | 11.11 | 2.8 | 31.0 | 1.30 × 10−3 | | Silty clay with silty sand | 32.0 | 1.83 | 0.962 | 0.96 | 3.94 | 17.2 | 20.4 | 1.38 × 10−6 |
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