青东矿井大断面巷道过特厚煤层支护技术研究
Green East mine the Heavy Seciton Tunnel After Specially Thick Coal Seam Supporting Technology Research
摘要
青东矿井东翼回风石门巷道掘进断面大,穿煤层厚、距离长,煤层较为破碎,给施工带来了困难。文章中详细分析了其支护机理,采用联合支护技术,优化了支护设计,在保障安全的前提下不但实现了快速掘进,而且还取得了良好的支护效果。
Abstract
Green east mine roadway excavation, east wing, return air shimen big cross section, wear thick coal seam, long distance, is broken, brings difficulties to construction. Article analyzes in detail its supporting mechanism, adopt combination supporting tech
关键词
大断面/特厚煤层/支护机理/支护技术/优化设计Key words
Large sections/Specially thick coal seam/Supporting mechanism/Supporting technology/Optimization design引用本文复制引用
出版年
2011
NETL
NSTL
万方数据