摘要
从新城金矿主斜坡道超挖现状入手,分析造成超挖的原因,提出减少大断面巷道( 硐室) 掘进施工超挖的具体措施,以提高矿山综合经济效益。
Begining with the current situation of the over excavation of main ramp,the analysis of the cause of over excavation was made and measures for reducing over excavation in the construction of large section tunnel were brought forward.
出处
《黄金》
CAS
北大核心
1999年第10期18-21,共4页
Gold
关键词
大断面巷道
巷道掘进
巷道超挖
控制措施
large section tunnel
over excavation
measures for reducing over excavation