深部沿空巷道恒阻大变形耦合控制技术研究  

Research on coupling control technology of constant resistance and large deformation for deep gob side entry roadway

作　　者：王九红[1] 祖贺军[2] 高蕾[2] 夏兴[3] Wang Jiuhong;Zu Hejun;Gao Lei;Xia Xing(Yanzhou Coal Mining Co.,Ltd.,Jining,Shandong 273500,China;Nantun Mine,Yanzhou Coal Mining Co.,Ltd.,Jining,Shandong 273500,China;State Key Laboratory for Geomechanics&Deep Underground Engineering,China University of Mining&Technology,Beijing,Haidian,Beijing 100083,China)

机构地区：[1]兖州煤业股份有限公司,山东省济宁市273500 [2]兖州煤业股份有限公司南屯煤矿,山东省济宁市273500 [3]中国矿业大学(北京)深部岩土力学与地下工程国家重点实验室,北京市海淀区100083

出　　处：《中国煤炭》2018年第12期60-66,71,共8页China Coal

摘　　要：以南屯煤矿深部采空区下沿空巷道为工程背景,采用现场调研、室内试验及数值模拟等研究方法,深入分析围岩变形破坏产生的原因、变形特征及力学机理,结合NPR锚杆/索的力学特性,提出了以NPR锚杆索为核心的恒阻大变形耦合控制对策,现场应用效果良好,具有重要的借鉴意义。Based on the engineering background of gob side entry roadway in deep gob of Nantun Mine,the causes,deformation characteristics and mechanics mechanism of surrounding rock deformation and failure were deeply analyzed by means of field investigation,laboratory test and numerical simulation.Considering the mechanical characteristics of NPR bolt/cable,a constant resistance and large deformation coupling control measures with NPR bolt cable as the core was proposed.The combined control strategy had favorable effect in field application and had important reference significance.

关 键 词：沿空巷道 数值模拟 恒阻大变形 耦合支护 

分 类 号：TD353[矿业工程—矿井建设]