Research Article
Study on the Mechanical Response of a Dense Pipeline Adjacent to the Shallow Tunnel
Table 3
Mechanical parameters of surrounding rock.
| | Surrounding rock parameter | Density (kN/m3) | Modulus of elasticity (MPa) | Poisson’s ratio | Cohesion (kPa) | Friction (°) |
| | Type 1 | 17 | 15 | 0.25 | 10 | 15 | | Type 2 | 18 | 30 | 0.20 | 20 | 20 | | Type 3 | 19 | 60 | 0.10 | 30 | 25 |
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