老空区下切眼施工技术研究与应用  

Research and Application of Construction Technology of Cut Holes under Old Empty Area

作　　者：赵奎 ZHAO Kui(China Coal First Construction Co.,Ltd.Tenth Engineering Office,Handan 056003,China)

机构地区：[1]中煤第一建设有限公司第十工程处,邯郸056003

出　　处：《价值工程》2022年第25期75-77,共3页Value Engineering

摘　　要：工作面切眼均在老空区下及在老空区煤柱下采取优化支护设计、超前管棚支护、导硐、二次刷扩、迈步换棚施工。安全、顺利地完成了采空区下切眼施工。The cut holes of the working face are under the old empty area and under the coal pillar in the old empty area.By adopting optimized support design,advanced pipe shed support,guide tunnel,secondary brush expansion,and step-by-step shed replacement construction,the cut hole construction under the old empty area is completed safely and smoothly.

关 键 词：矿压监测 优化支护设计 导硐掘进 

分 类 号：TD353[矿业工程—矿井建设]