【作者】 范广勤； 王越； 夏建中； 卢益民； 罗述君； 郑景明；

【Author】 Fan Guangqin Wang Yue Xia Jianzhong Beijing Graduate school.China Mining and Technology University,Postcode:100083 Lu Yimin Luo sujun Zheng Jinming Xiang yong coal mine of Baisha coalmine Bureau,Hunan,Postcode:423315

【机构】 中国矿业大学北京研究生部； 白沙矿务局湘永煤矿；

【摘要】 本文介绍湖南湘永煤矿白鸡洞井-360西南巷,穿越540米断层区域的工程实例,分析说明围岩变形特征与支护对策,采取"超前预锚、短段掘进、光爆减震、柔性支护、及时封底、工程监测、二次支护"的工程方案,安全、合理、维护了围岩稳定。更多还原

【Abstract】 In this paper,a example is a roadway,Baijidong-360m South-west Drive of Xiangyong Coal Mine,with a length of 540m in fanlts zone is presented,the properties of the adjoining rock deformation are analysed and described,and the support measures are devoleped.The scheme to be taken for the engineering includes advance heading pre-bolts,short segment excavation,smooth-surface blasting for de-shocking,yieldable support,immediate closure of floor,engineering monitoring and second support.It is safe and reasonable.The stability of adjoining rock is safeguarded.更多还原