下分层掘进提高掘进进尺的探讨

Discussion on using lower slice to improve tunneling footage

文章分析了下分层掘进工作如何提高掘进进尺,对影响进尺的原因做了分析,针对这一问题制定了对策和措施。

This paper discusses on how to use lower slice to improve tunneling footage,and analyzes the reasons that affect footage,and makes countermeasure and measure according to these questions.