Research Article
Spatial and Temporal Distribution Law and Influencing Factors of the Mining-Induced Deformation and Failure of Gas Boreholes
Table 1
Distribution of strata and their parameters in the basic model.
| | Number | Lithology | Thickness (m) | Total thickness (m) | Density (kg·m−3) |
| | 14 | Sandstone | 8 | 120 | 2800 | | 13 | Siltstone | 5 | 112 | 2700 | | 12 | Mudstone | 6 | 107 | 2400 | | 11 | Coalseam 13-1 | 4 | 101 | 1400 | | 10 | Mudstone | 10 | 97 | 2400 | | 9 | Siltstone | 4 | 87 | 2700 | | 8 | Mudstone | 6 | 83 | 2400 | | 7 | Siltstone | 6 | 77 | 2700 | | 6 | Sandstone | 4 | 71 | 2800 | | 5 | Mudstone | 7 | 67 | 2400 | | 4 | Sandstone | 8 | 60 | 2800 | | 3 | Mudstone | 8 | 52 | 2400 | | 2 | Sandstone | 7 | 44 | 2700 | | 1 | Mudstone | 5 | 37 | 2400 | | 0 | Coal seam 11-2 | 2 | 32 | 1400 | | −1 | Mudstone | 7 | 30 | 2400 | | −2 | Siltstone | 6 | 23 | 2700 | | −3 | Mudstone | 8 | 17 | 2400 | | −4 | Siltstone | 9 | 9 | 2700 |
|
|
