金川矿区不良岩体中大断面巷道掘进技术研究及应用  

Research and Application on Digging Technology in Bad Terrene of Large Section Tunnel in Jinchuan Mining Area

作　　者：张治锋[1] 庙延钢[1] 高洁[2] 

机构地区：[1]昆明理工大学,云南昆明650093 [2]金川集团公司,甘肃金昌737100

出　　处：《云南冶金》2005年第3期3-6,共4页Yunnan Metallurgy

摘　　要：叙述了金川矿区不良岩体的特点和危害,提出了应采用把设计、施工和监测为一体的巷道施工方法;介绍了以光面爆破为前导,以"先柔后刚,刚柔相济;先让后抗,抗让结合"为支护原则,以喷锚网支护为基础的不良岩层中大断面巷道掘进的一些技术问题。Characteristics and harms of bad terrene in jinchuan mining area is described.A working program integrated with design,stopping and monitoring is presented.In this program,the smooth surface blasting and inject method of rock bolting network are applied.

关 键 词：不良岩体 大断面巷道掘进 喷锚网支护 

分 类 号：TD6[矿业工程—矿山机电]