Table 3 Model’s similar material ratio and laying thickness.
Number | Lithology | Thickness (m) | Model layer thickness (cm) | Ratio (river sand/gypsum/lime powder/coal dust) |
|---|---|---|---|---|
1 | Coal | 9 | 9 | 20 1 2 20 |
2 | Carbon mudstone | 4 | 4 | 8 2 8 |
3 | Mudstone | 6 | 5 | 8 3 7 |
4 | Fine sandstone | 10 | 6 | 7 3 7 |
5 | Coarse sandstone | 8 | 8 | 8 4 6 |
6 | Sandstone | 12 | 12 | 7 2 7 |
7 | Fine sandstone | 20 | 20 | 7 4 6 |
8 | Conglomerate | 32 | 32 | 8 4 6 |
9 | Coarse sandstone | 29 | 29 | 8 5 5 |
