谈平巷中深孔爆破

Talking about middle-deep hole blasting in roadway

从目前的爆破器材、爆破技术和作业方式等方面论述了平巷中深孔爆破的可行性 ,以及它对提高掘进工效、速度 ,适应机械化作业线施工的必要性。

The feasibility of middle_deep hole blasting in roadway is discussed from present blasting apparatus,blasting technology and work way and the necessity of lifting excavation efficiency velocity and suitability.