摘要
针对义安矿底板瓦斯预抽巷掘进过程中,遇到坚硬岩石,掘进机截齿消耗量大,易造成掘进机磨损的问题,提出了松动爆破过硬岩的方法,并设计了相应的爆破参数及安全技术措施,顺利通过硬岩区域,为类似条件下岩巷掘进提供参考。
Aiming at the problem in heading process of the gas pre-pumping in the floor of Yi＇an mine, such as the hard rock, plenty of cutting pick consumption and the easy wearing heading machine, put forward the method of loose blasting excellent rock, and design the corresponding blasting parameters and safety technical measures, smoothly pass through the hard rock area, provide reference for the rock drivage under similar conditions.
出处
《山东煤炭科技》
2015年第12期95-96,99,共3页
Shandong Coal Science and Technology
关键词
底板预抽巷
坚硬岩石
巷道掘进
松动爆破
floor pre-drainage lane
hard rock
roadway driving
loose blasting
