The mining of shallowcoal bed in Shenfu Mine is seriously threatened by suffosion hazard of coal shaft.
神府矿区浅部煤层开采受到矿井溃砂的严重威胁。
2
The occurrence characteristics of shallowcoal seams have the direct influence on the layout of the fully mechanized coal faces and the mining work.
浅部煤层的赋存特征直接影响着综采面布设和开采。
3
Base on the weighing feature of the shallowcoal bed, the specifying method of the support working resistance and safety margin is presented in the shallowcoal bed.