Research Article
Deformation Monitoring and Stability Analysis of Shaft Lining in Weakly Cemented Stratum
Table 2
Parameters of the shaft lining in Xieqiao coal mine.
| | Length (m) | Internal diameter, ra (m) | Elastic modulus, E (GPa) | Poisson’s ratio (μ) | External diameter, rb (m) | Concrete internal friction angle, φ (°) | Compressive strength, σa (MPa) | Concrete density (ρ/kg/m3) |
| | 772.2 | 3.8 | 36.5 | 0.16 | 5.7 | 55 | 60 | 2500 |
|
|
