摘要
分段掏槽法已在深孔爆破掘进天井运用中取得一定效果，而在平巷掘进中运用却未予以足够的重视和研究。本文介绍了分段掏槽在平巷掘进的情况和取得良好的爆破效果。
The sectional cutting method is effectively applied to longhole raising but less applied to tunnel heading. In this paper, attention is paid to the application of sectionalcutting in tunnel heading and its blasting effectiveness is fare.
出处
《爆破》
CSCD
1998年第2期67-68,共2页
Blasting
