摘要
对于强突出、高瓦斯煤层,在采取超前钻孔预抽后,采用掘进机施工,可提高煤层巷道掘进单进,确保接替正常。
The paper introduces the application of roadheader after pre--drainage with advanced borehole in ultra gas outburst coal seam, which can improve the specific driving power and guarantee the normal relay.
出处
《江西煤炭科技》
2014年第3期80-81,共2页
Jiangxi Coal Science & Technology
关键词
强突出煤层
掘进机
超前预抽
单进
ultra-- outburst coal seam
roadheader
advanced pre-- drainage
heading into a single
