厚层复合顶板大断面煤巷围岩控制方案设计  

The Design of the Control Scheme of Large Section Coal Roadway Surrounding Rock of Thick Laminated Composite Roof

作　　者：李学金 

机构地区：[1]山西省段王煤业集团有限公司,山西晋中045400

出　　处：《山东煤炭科技》2018年第1期29-31,共3页Shandong Coal Science and Technology

摘　　要：为了解决厚层复合顶板大断面煤巷支护难题,以段王煤矿090507回风巷为工程背景,分析了巷道自身的维护特点,并结合数值模拟分析,提出了具体的围岩控制方案,采用高性能锚杆强化帮角、高强锚索强化顶板及关键部位等技术手段,取得非常良好的支护效果。In order to solve the coal roadway supporting problem in the thick layer of compound roof, the paper takes 090507 return air lane in Duanwang Coal Mine as an example, fst analyzes the roadway maintenance characteristics of the lane, and then after an analysis of numerical simulation, puts forward the specifc surrounding rock control scheme, which uses high-performance anchor to strengthen help angle, high strength anchor to strengthen roof and other key parts,obtaining very good supporting effect.

关 键 词：复合 顶板 支护 

分 类 号：TD353[矿业工程—矿井建设]