Table 5 Test arrangements
| Test serial number | Limits of simulation conditions (other parameters are consistent) |
|---|---|
| 1 | The subsidence of coal seam floor in the direction of advance of fully mechanized mining face is 20 mm |
| 2 | The subsidence of coal seam floor in the direction of advance of fully mechanized mining face is 40 mm |
| 3 | The subsidence of coal seam floor in the direction of advance of fully mechanized mining face is 60 mm |