Research Article

Overburden Damage Degree-Based Optimization of High-Intensity Mining Parameters and Engineering Practices in China’s Western Mining Area

Table 1

Mining parameters and PWI of the longwall faces in the western mining area.

No.Coal minePanel namePanel width (m)Mining height (m)Advancing speed (m/d)PWI (m)

1Huojitu21305 (a)257.24.358.5
221305 (b)257.24.3169.9
321306 (a)257.24.35.29.1
421306 (b)257.24.312.49.6
6Daliuta523043016.813.818
7523073016.810.817.8
852303 (a)301.56.8416.9
952303 (b)301.56.81418.2
10Shangwan122112105.61513.1
11122043006.01312.3
12122053086.011.712
13122063186.810.111.2
14122012405.31520.6
15Yujialiang442012403.121.615
1644202301.1318.712
1744205296.93.318.711.8
18442073603.516.410.7
1944208400.53.615.69.9