Table 1 Physical and mechanical indexes of geotechnical body of 3D computational model.
From: Impact analysis of tunnel crossing pile foundation at different angles
Name | Mixed fill | 2 − 1 Powdery clay | 2–2 Powdery clay | 3 − 1 Powdery clay | Strongly weathered amphibolite | Mesothelialized amphibolite | Mesothermal gabbro |
|---|---|---|---|---|---|---|---|
Layer thickness (m) | 4.25 | 3.14 | 6.64 | 7.95 | 3.45 | 5.97 | 10 |
Modulus of elasticity (MPa) | 12 | 15 | 18 | 25 | 28 | 55 | 70 |
Poisson’s ratio | 0.2 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
Allowable weight (kN/m3 ) | 19 | 19.3 | 19.6 | 19.8 | 23 | 25 | 27 |
Initial pore ratio | 0.7 | 0.73 | 0.75 | 0.74 | 0.62 | 0.62 | 0.62 |
Cohesive force (kPa) | 5 | 26 | 37 | 32 | 37 | 42 | 45 |
Friction angle (°) | 15 | 17 | 19 | 19 | 42 | 44 | 45 |
