Table 4 Cycle Pressure Step Distance of Basic Top at 12,240 Working Face (Unit: m).
Order of pressure | Upper 30# | Central 90# | Lower 150# |
|---|---|---|---|
1 | 12.38 | 2.15 | 10.15 |
2 | 0.77 | 1.01 | 11.30 |
3 | 5.43 | 2.79 | 2.65 |
4 | 1.32 | 24.23 | 1.45 |
5 | 1.35 | 38.92 | 1.20 |
6 | 33.10 | 1.00 | 1.27 |
7 | 1.05 | 2.50 | 1.13 |
8 | 6.50 | 15.25 | 7.30 |
9 | 10.00 | 1.25 | 44.30 |
10 | 1.37 | 4.75 | 9.40 |
11 | 1.03 | 14.90 | 15.10 |
12 | 2.30 | 4.92 | 1.30 |
13 | 2.44 | 1.03 | 1.90 |
14 | 2.45 | 1.20 | 6.30 |
15 | 2.36 | 6.90 | 1.70 |
16 | 14.81 | 4.55 | 3.50 |
17 | 25.42 | 2.35 | 1.50 |
18 | 1.05 | 2.15 | 1.80 |
19 | 1.17 | 7.90 | 4.70 |
20 | - | 1.13 | - |
twenty one | - | 1.22 | - |
Press step distance | 6.65 | 6.77 | 6.73 |
average value | - | 6.72 | - |
