采矿与安全工程学报Issue(6)：848-855,8.
巷道底板冲击控制原理与解危技术研究
Control principle and pressure-relief technique of rock burst occurred in roadway floor
摘要
Abstract
The occurrence intensity and damage degree of rock burst occurred in roadway floor of un-derground coal mines becomes more serious as the mining depth increases in China. In this paper, the inducement mechanism of floor burst was analyzed, and the corresponding control principle was put forward, that is, the burst-inducing condition was decreased by changing the bending strength of road-way floor. Additionally, FLAC 3D was adopted to simulate and compare the pressure-relief effects of dif-ferent control measures implemented in coal-floor roadway and rock-floor roadway, respectively. The results show that the pressure-relief effect of the control method by combination of large-diameter bo-rehole and pressure-releasing groove on coal-floor roadway is more effective, while the combination of large-diameter borehole and releving shot on rock-floor roadway can achieve better pressure-relief ef-fect. The research results in this paper can provide theoretical reference for floor burst control in under-ground mining.关键词
底板冲击/卸压槽/大直径钻孔/底煤巷道/硬底巷道Key words
floor burst/pressure-releasing groove/large-diameter borehole/coal-floor roadway/rock-floor roadway分类
矿业与冶金引用本文复制引用
曹安业,朱亮亮,杜中雨,刘建刚,王浩,王毅..巷道底板冲击控制原理与解危技术研究[J].采矿与安全工程学报,2013,(6):848-855,8.基金项目
国家自然科学基金青年科学基金项目(51204165)；江苏高校优势学科建设工程资助项目(SZBF2011-6-B35)；国家“十二五”科技支撑计划项目(2012BAK04B06)；中央高校基本科研业务专项资金项目(2010QNA30)；国家重点基础研究发展计划(973)项目(2010CB226805) （51204165）
