Research Article
Research on the Reuse of Discharged Soil from EBP Shield Tunnels in Synchronous Grouting Material
Table 8
Physical mechanics parameters for each stratum of the calculated section.
| Stratum name | Permeability coefficient (cm·s-1) | Natural unit wet (kN·m−3) | Void ratio | Modulus of compression (MPa) | Force of cohesion (kPa) | Angle of friction (。) | Poisson’s ratio | Buried depth (m) |
| Miscellaneous fill | — | 18.5 | — | 5.4 | 10 | 15 | 0.33 | 0–2.5 | Silty sand | — | 20.5 | — | 18 | 0.1 | 30 | 0.25 | 2.5–7 | Clayey silt | 0.1 | 19.6 | 0.68 | 6 | 22.4 | 19.2 | 0.30 | 7–18 | Fine sand | 10 | 20.3 | 0.535 | 25 | 0.1 | 32 | 0.24 | 18–22 | Silty clay | 0.05 | 20.1 | 0.639 | 6.5 | 32 | 21 | 0.32 | 22–32 | Calcareous cemented sandy soil | 1.5 | 21.2 | 0.4 | 45 | 25 | 36 | 0.22 | 32–66 |
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