Table 1 Experimental schemes.
Groups | Schemes | Mine gas outburst pressure | Arrangement Methods |
|---|---|---|---|
I | 1 | 600 kPa | Without elastic devices |
2 | Unchanged | ||
3 | Smaller | ||
4 | Larger | ||
II | 5 | 800 kPa | Without elastic devices |
6 | Unchanged | ||
7 | Smaller | ||
8 | Larger | ||
III | 9 | 1000 kPa | Without elastic devices |
10 | Unchanged | ||
11 | Smaller | ||
12 | Larger |
