摘要
针对某矿8107厚煤顶大断面开切眼的支护问题,分析该巷道的支护原则及要点,设计了基于组合锚索的开切眼综合支护方案。该支护方案在该矿8107厚煤顶大断面得以实施后,巷道顶底板移近量范围为15～66 mm,两帮移近量为16～52 mm,实现了厚煤顶大断面开切眼的有效支护。
Aiming at the support problem of large cross-section openings in 8107 thick coal roof of a mine,the supporting principle and key points of this roadway are analyzed,and a comprehensive support scheme of openings based on combined anchor cables is designed.After the implementation of the support scheme in 8107 thick coal roof large section of the mine,the approximation of roadway roof and floor ranges from 15 to 66 mm,and the approximation of two sides ranges from 16 to 52 mm,thus realizing the effective support of large cross-section openings of thick coal roof.
作者
孟俊杰
Meng Junjie(Fenxi Mining Supervision Sub-Bureau of Shanxi Coking Coal Five-member Group Administration Bureau,Jiexiu Shanxi 032000)
出处
《机械管理开发》
2019年第2期144-145,共2页
Mechanical Management and Development
关键词
大断面开切眼
厚煤顶
组合锚索
支护方案
large section open hole
thick coal roof
combined anchor cable
supporting scheme
