采动影响下大断面煤巷失稳机理与支护技术研究  

Research on Destabilization Mechanism and Support Technology of Large Section Coal Tunnel under the Influence of Mining Movement

作　　者：崔瑞军 Cui Ruijun(Shanxi Fenxi Mining(Group)Company,Jiexiu Shanxi 032000)

机构地区：[1]山西汾西矿业(集团)有限责任公司,山西介休032000

出　　处：《机械管理开发》2022年第2期85-86,89,共3页Mechanical Management and Development

摘　　要：针对某矿2102工作面回风巷在强应力扰动下的支护难题,在现场调研工程概况及支护难点的基础上,对巷道围岩失稳的原因及特征进行分析,针对巷道修复工作,对巷道支护关键技术进行研究,设计了基于锚索组合系统的巷道修复及补强支护方案,并在巷道掘进修复及工作面回采两个阶段进行了工程实践,成功实施了巷道修复,并保障了后期使用,实现了预期的安全及技术目的。In order to solve the support problem of 2102 working face backwind lane under strong stress disturbance,Based on the site research project overview and support difficulties,the causes and characteristics of lane surrounding rock destabilization were analyzed,the key technologies of lane support were studied for lane repair work,the lane repair and reinforcement support scheme based on anchor cable combination system was designed,and the engineering practice was carried out in two stages of lane excavation repair and working face retrieval.The roadway rehabilitation and reinforcement support scheme based on the anchor cable combination system was designed and implemented in two stages of roadway rehabilitation and workface re-mining,which successfully implemented the roadway rehabilitation and secured the later use and achieved the expected safety and technical purpose.

关 键 词：采动影响 巷道修复 补强支护 组合锚索 

分 类 号：TD353[矿业工程—矿井建设]