Research Article
Study on the Lagging Support Mechanism of Anchor Cable in Coal Roadway Based on FLAC3D Modified Model
Table 3
Mechanical parameters used in the model.
| | Stratum | Thickness (m) | Density (kg·m−3) | Elastic modulus (GPa) | Poisson’s ratio | Cohesion (MPa) | Interior friction angle (°) |
| | Fine sandstone | 28 | 2550 | 10.5 | 0.29 | 7.5 | 39 | | Mudstone | 6 | 2400 | 7.0 | 0.33 | 4.5 | 35 | | Coal | 6 | 1400 | 5.3 | 0.30 | 2.5 | 30 | | Mudstone | 6 | 2400 | 7.0 | 0.33 | 4.5 | 35 | | Medium grained sandstone | 20 | 2500 | 9.0 | 0.30 | 6.5 | 37 |
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