深井厚煤层坚硬顶板强动压巷道围岩控制技术研究与应用  

Study on surroundings control technology for thick coal-seam gateway with hard roof affected by intensive dynamic pressure in deep coal mine and its application

作　　者：范明建[1,2] 林健[1,2] 赵忠证 张镇[1,2] 孟宪志[1,2] FAN Mingjian;LIN Jian;ZHAO Zhongzheng;ZHANG Zhen;MENG Xianzhi(Coal Mining&Designing Department,Tiandi Science&Technology Co.,Ltd.,Beijing 100013,China;Coal Mining and Design Branch,China Coal Research Institute,Beijing 100013,China;China Coal West-North Energy Co.,Ltd.,Ordos 017000,China)

机构地区：[1]天地科技股份有限公司开采设计事业部,北京100013 [2]煤炭科学研究总院开采设计研究分院,北京100013 [3]中煤西北能源有限公司,内蒙古鄂尔多斯017000

出　　处：《中国矿业》2020年第2期106-111,共6页China Mining Magazine

基　　金：天地科技股份有限公司科技创新创业基金项目资助(编号：2018-TD-MS021);国家自然科学基金项目资助(编号：51774186)

摘　　要：以深井厚煤层坚硬顶板强动压巷道支护为工程背景,在对矿井巷道围岩地质力学测试、初始支护巷道效果评价、回采超前应力监测结果分析的基础上,提出强动压影响留巷巷道加强支护与坚硬顶板切顶卸压技术相结合的综合围岩控制技术方案,有效控制了强动压巷道围岩的变形破坏,降低了回采期间巷道维修量,为工作面尾巷的二次复用和矿井安全高效生产提供了技术支持。By taking the thick seam working face gateway affected by intensive dynamic pressure in deep coal mine with hard roof as engineering background,the comprehensive technology solutions combined with strength bolt-supporting and stable roof hydraulic fracturing are carried out,based on the results of geo-mechanics test,supporting effect evaluation for gateway with initial supporting parameters and analysis of stress monitoring ahead working face.The results of engineering practice show that the comprehensive technology solutions could efficiently control the gateway surroundings deformation,reduce the gateway maintenance workloads and provide great technology support for gateway reuse and efficient mining safely.

关 键 词：深井 厚煤层坚硬顶板 强动压影响 煤柱留巷 围岩控制 

分 类 号：TD353[矿业工程—矿井建设]