摘要
针对大同煤矿集团白洞煤业公司石炭系C3#煤层回采大断面切眼巷道复合顶板支护形式的选择,结合顶板岩性,对锚杆、锚索组合支护机理进行了分析。
Based on selection of bolt supports pattern of compound roof in Carboniferous seam roadway with a large section in the Baidong Mine,the paper analyses the support mechanism using bolt and cable with roof rock characteristics.
出处
《同煤科技》
2009年第1期14-16,共3页
Datong Coal Science & Technology
关键词
煤矿开采
井工开采
复合顶板
大断面巷道
锚杆支护
mining
mining underground
compound roof
roadway with large sections
bolting support
