Research Article
Mechanics Parameter Optimization and Evaluation of Curtain Grouting Material in Deep, Water-Rich Karst Tunnels
Table 1
Physical and mechanical parameters of the surrounding rock.
| Density (kg/m3) | Modulus of elasticity (Gpa) | Poisson’s ratio (v) | Area | Friction angle | Cohesive force (Mpa) | Permeability coefficient (m/h) |
| 2500 | 6 | 0.25 | | 50 | 0.7 | |
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