大采高仰斜开采采场围岩破坏规律及控制技术研究  

Study on failure law and control technology of surrounding rock in large mining height inclined mining stope

作　　者：景海洋 Jing Haiyang(Shanxi Branch of China Coal Huali Energy Holdings Co.,Ltd.,Jinzhong 031300,China)

机构地区：[1]中煤华利能源控股有限公司山西分公司,山西灵石031300

出　　处：《煤炭与化工》2022年第11期28-30,34,共4页Coal and Chemical Industry

摘　　要：为保障平山煤业3号煤层大倾角回采面的安全生产,以该矿31016仰斜开采工作面为背景,采用3DEC软件、UDEC软件模拟、理论分析等方法,探究采场围岩破坏特征及机理,分析仰斜开采潜在威胁,论证工作面仰斜开采的可行性,针对性的设计冒顶、片帮防护硬件等技术措施,有效保障了大角度仰采工作面安全高效开采,为类似条件下的倾斜煤层综采开采提供参考实例和技术方案。In order to ensure the safe production of the large dip angle mining face of No.3 coal seam in Pingshan Coal Industry,the 31016 inclined mining face of the mine is taken as the background.The 3DEC software,UDEC software simulation,theoretical analysis and other methods are used to explore the failure characteristics and mechanism of the surrounding rock of the stope,analyze the potential threat of inclined mining,demonstrate the feasibility of inclined mining of the working face,and design the technical measures such as roof fall and rib protection hardware,which effectively guarantees the safe and efficient mining of the large angle inclined mining face,and provides reference examples and technical schemes for the fully mechanized mining of inclined coal seams under similar conditions.

关 键 词：倾斜煤层 仰斜开采 3DEC 片帮 

分 类 号：TD35[矿业工程—矿井建设]