| 锚杆长度/m | 顶板下沉/mm | 底鼓/mm | 帮部位移/mm |
| 1.6 | 790 | 520 | 390 |
| 1.8 | 680 | 500 | 370 |
| 2.0 | 920 | 570 | 420 |
| 2.2 | 920 | 470 | 390 |
| 2.6 | 860 | 380 | 380 |