复杂条件下特大断面巷道深孔强化注浆技术研究  

Study on Deep Borehole Intensified Grouting Technology of Mine Ultra Large Cross Section Gateway under Complicated Conditions

作　　者：何富连[1] 丁永禄 时宝[1] 卫文彬 赵勇强[1] 魏臻[1] 

机构地区：[1]中国矿业大学(北京)资源与安全工程学院,北京100083

出　　处：《煤炭工程》2014年第11期78-81,共4页Coal Engineering

基　　金：国家自然科学基金资助项目(51234005);国家重点基础研究发展计划资助(2010CB226802);中央高校基本科研业务费专项资金资助(2010YZ02)

摘　　要：辛置煤矿马头门巷道在初次施工完毕后出现了较严重的破坏,为了有效治理马头门巷道,文章综合现场实际情况,通过理论分析和数值模拟等方法,分析了其发生破坏失稳的主要原因,在此基础上提出软弱破碎巷道围岩深孔注浆加固技术,研究确定了深孔注浆机理、注浆参数以及工艺流程,并在现场对巷道进行了有效治理,取得了满意的效果。A mine ingate roadway of Xinzhi Mine was seriously damaged just after the first construction. In order to effectively treat the ingate roadway,in combination with a comprehensive site actual condition,a theoretical analysis,numerical simulation and other methods were applied to analyze the main causes of the failure and stability lost occurred.Based on the circumstances,a deep borehole grouting reinforced technology of the soft and broken surrounding rock was provided for the mine roadway and the deep borehole grouting mechanism,grouting parameters and technique procedure were studied and determined. An effective treatment of the roadway was conducted at the mine site with a satisfaction effect.

关 键 词：深孔注浆 马头门 特大断面巷道 软弱破碎围岩 

分 类 号：TD353[矿业工程—矿井建设]