Research Article
Mechanics Parameter Optimization and Evaluation of Curtain Grouting Material in Deep, Water-Rich Karst Tunnels
Table 2
Parameters of grouting circle.
| Density (kg/m3) | Modulus of elasticity (GPa) | Poisson’s ratio (v) | Friction angle (°) | Cohesive force (MPa) | Permeability coefficient (m/h) |
| 2600 | 6.1 | 0.2 | 41 | 0.8 | |
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