Table 1 Specific parameters of similar test model.
Number | Lithology | Thickness /m | Volumetric weight / (KN·m− 3) | Model /mm | Layer number | Proportion number |
|---|---|---|---|---|---|---|
16 | Limestone | 45 | 27.00 | 90 | 3 | 655 |
15 | Sandy mudstone | 12.4 | 25.22 | 248 | 15 | 828 |
14 | Mudstone | 2.7 | 25.72 | 54 | 3 | 837 |
13 | Sandy mudstone | 7.0 | 25.22 | 140 | 7 | 837 |
12 | Fine sandstone | 3.7 | 42.58 | 74 | 4 | 737 |
11 | Sandy mudstone | 3.6 | 25.22 | 72 | 4 | 837 |
10 | Fine sandstone | 3.4 | 25.26 | 68 | 3 | 737 |
9 | Sandy mudstone | 3.1 | 25.22 | 62 | 3 | 837 |
8 | Fine sandstone | 3.1 | 45.59 | 62 | 4 | 755 |
7 | Sandy mudstone | 7.0 | 35.62 | 140 | 14 | 837 |
6 | Fine sandstone | 2.8 | 42.15 | 56 | 2 | 737 |
5 | Sandy mudstone | 9.0 | 34.58 | 180 | 18 | 837 |
4 | Coal-rock | 1.5 | 25.22 | 30 | 4 | 837 |
3 | Sandy mudstone | 1.2 | 25.22 | 24 | 2 | 837 |
2 | Fine sandstone | 2.6 | 27.57 | 52 | 3 | 855 |
1 | Sandy mudstone | 1.5 | 25.22 | 30 | 3 | 828 |
0 | C19 coal seam | 1.2 | 14.50 | 24 | 1 | 26:1:5:16 |
Total count | 70.3 | - | 1406 | 93 | - | |