Research Article
Study on Deformation and Stability of Rock-Like Materials Retaining Structure during Collaborative Construction of Super-Adjacent Underground Project
Table 1
Main physical and mechanical parameters of strata.
| | Strata | γ (kN/m3) | γsat (kN/m3) | Es (MPa) | Eo (MPa) | Natural condition | K (m/d) | | Φ (°) | C (kPa) |
| | Artificial fill layer (Qml) 1 | 18.3 | 18.6 | 5.0 | 8.0 | 18 | 15 | 0.5/0.2 | | Silty clay (Q4al + pl) 2 | 18.5 | 19.0 | 5.0 | 13 | 16 | 23 | 0.01 | | Organic clay (Q4h) 3-1 | 17.5 | 17.9 | 3.0 | 4.0 | 4 | 15 | 0.01 | | Sandy silty clay (Q4dl + pl) 4 | 18.5 | 18.8 | 7 | 22 | 18 | 24 | 0.01 | | Silty clay (Q3al + pl) 5-1 | 18.3 | 18.6 | 6 | 13 | 16 | 18 | 0.01 | | Medium sand (Q3al + pl) 5-2 | 19.5 | 20.0 | — | 30 | 32 | — | 10 | | Sandy clayey soil (Qel) 6-1 | 18.5 | 18.9 | 8 | 22 | 23 | 23 | 0.05 | | Completely weathered mixed granite (O1N) 9-1 | 19.0 | 19.3 | 12 | 60 | 28 | 22 | 0.1 | | Earthy strongly weathered mixed granite (O1N) 9-2-1 | 20.0 | 20.4 | 16 | 170 | 33 | 45 | 0.5 | | Massive strongly weathered mixed granite (O1N) 9-2-2 | 21.5 | 21.8 | — | 250 | 34 | 50 | 1.0 | | Cataclastic rock (F) | 21.0 | 21.5 | 18 | 180 | 34 | 45 | 1.0 |
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