Table 2 Simulation working condition.
Firmness coefficient of coal/fcoal | Firmness coefficient of rock/frock | Coal-rock volume ratio |
|---|---|---|
1.4 | 3.5 (Soft gangue) | 0:1 1:1 1:3 3:1 1:0 |
5.1 (Hard gangue) | 0:1 1:1 1:3 3:1 1:0 | |
6.8 (Floor) | 0:1 1:1 1:3 3:1 1:0 | |
7.4 (Roof) | 0:1 1:1 1:3 3:1 1:0 | |
8.4 (Inclusion) | Come across inclusion | |
3.5 (Soft gangue), 5.1 (Hard gangue), 6.8 (Floor), 7.4 (Roof) randomly mixed | Cross fault | |
2.38 | 3.5 (Soft gangue) | 0:1 1:1 1:3 3:1 1:0 |
5.1 (Hard gangue) | 0:1 1:1 1:3 3:1 1:0 | |
6.8 (Floor) | 0:1 1:1 1:3 3:1 1:0 | |
7.4 (Roof) | 0:1 1:1 1:3 3:1 1:0 | |
8.4 (Inclusion) | Come across inclusion | |
3.5 (Soft gangue), 5.1 (Hard gangue), 6.8 (Floor), 7.4 (Roof) randomly mixed | Cross fault | |
3.8 | 3.5 (Soft gangue) | 0:1 1:1 1:3 3:1 1:0 |
5.1 (Hard gangue) | 0:1 1:1 1:3 3:1 1:0 | |
6.8 (Floor) | 0:1 1:1 1:3 3:1 1:0 | |
7.4 (Roof) | 0:1 1:1 1:3 3:1 1:0 | |
8.4 (Inclusion) | Come across inclusion | |
3.5 (Soft gangue), 5.1 (Hard gangue), 6.8 (Floor), 7.4 (Roof) randomly mixed | Cross fault |