| 煤柱宽度/m | 掘进期间 | 回采期间 | ||
| 煤柱侧 | 实体煤侧 | 煤柱侧 | 实体煤侧 | |
| 3 | 7.3 | 17.6 | 6.9 | 22.7 |
| 4 | 8.7 | 17.6 | 12.7 | 22.1 |
| 5 | 11.2 | 17.9 | 14.5 | 22.1 |
| 6 | 12.8 | 17.9 | 15.3 | 22.9 |
| 7 | 14.7 | 18.4 | 17.6 | 22.9 |
| 8 | 15.8 | 18.1 | 18.3 | 22.4 |
| 9 | 16.0 | 18.1 | 18.3 | 22.9 |
| 10 | 18.4 | 17.6 | 21.1 | 24.2 |