摘要
分析了目前井巷掘进中普遍采用的斜眼与直线掏槽的机理及其实践，得出坚硬岩石中井巷掘进单斜眼楔形掏槽不便获得深循环进尺，任何抗爆性大的坚硬岩石都有一种乃至几种保持高爆破效率且获得较深循环进尺的直线掏槽方法的结论，并提出了检验直线掏槽效果的标准。
Mechanism and practice of inclined hole and straight cuts, which are now in common use in raising and drifting, is analyzed. It follows that the wedge cutting by drilling a row of inclined holes on each side of the cut to be blasted is difficult to achieve large advance per round, but there is one method or are several methods of straight cut by which could resulting in higher blasting efficiency and greater advance per round for drivage in more blast resistant hard rock, as well as the standards of estimating the straight cut results are advanced.
出处
《矿业研究与开发》
EI
CAS
1999年第1期20-22,共3页
Mining Research and Development
