CAJ | 학술논문

根据大佛寺煤矿4＃煤西部大巷掘进过程中，通过在4＃煤西部大巷顶板上部煤层合理布置顶板瓦斯抽采钻孔，配合区域预抽、掘前预抽技术，对高瓦斯区域掘进工作面进行联合抽采，成功解决了高瓦斯区域巷道掘进期间风排能力不足和巷道两侧施工钻孔抽采范围有限的问题，确保了4＃煤西部大巷掘进工作面的安全生产。
근거대불사매광4＃매서부대항굴진과정중，통과재4＃매서부대항정판상부매층합리포치정판와사추채찬공，배합구역예추、굴전예추기술，대고와사구역굴진공작면진행연합추채，성공해결료고와사구역항도굴진기간풍배능력불족화항도량측시공찬공추채범위유한적문제，학보료4＃매서부대항굴진공작면적안전생산。
In the high-gas driving working face of western main roadway in Dafosi coal mine , by using combined gas extrac-tion ways, such as gas drainage by arranging upper seam boreholes , regional pre-drainage and pre-drainage before driving , the problems that the shortage of gas discharge capacity by air and the limited scope of gas extraction by constructing bore -holes on both sides of roadway were salved , and ensured the safety production of the driving working face in western main roadway .