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青东矿井大断面巷道过特厚煤层支护技术研究

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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。
Green East mine the Heavy Seciton Tunnel After Specially Thick Coal Seam Supporting Technology Research
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

Large sectionsSpecially thick coal seamSupporting mechanismSupporting technologyOptimization design

大断面 特厚煤层 支护机理 支护技术 优化设计

2011

科技信息(学术版)
山东省技术开发服务中心

科技信息(学术版)

ISSN:1001-9960
年,卷(期):2011.(7)