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有色金属(矿山部分):2019,71(5):24-27
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基于微震监测技术的采空区周边巷道稳定性研究
(1.(1. 北京矿冶科技集团有限公司,北京 100160;2. 金属矿山智能开采技术北京市重点实验室,北京 102628;3. 承德铜兴矿业有限责任公司,河北 承德 067250))
Stability of roadway around the goaf based on microseismic monitoring technology
(1.(1. BGRIMM Technology Group, Beijing 100160, China;2. Beijing Key Laboratory of Nonferrous Intelligent Mining Technology, Beijing 102628, China;3. Chengde Tongxing Mining Co., Ltd., Chengde Hebei 067250,China))
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中文摘要: 运用微震监测技术对承德铜兴矿业下三中段采空区周边主巷道顶板裂缝区域进行监测,监测过程中有效预警了该区域发生的顶板冒落事件,通过对微震监测数据验证分析,可知监测区域内微震事件聚集程度以及微震事件数量变化、微震事件能量指数、岩体累积视体积与能量指数时间变化均可用于后续对承德铜兴矿业采空区周边巷道岩体稳定性分析与地压灾害危险预警的参考。
Abstract:In this paper, microseismic monitoring technology was used to monitor in the fracture area of main roadway roof around the goaf in the third level of Chengde Tongxing mining. In the process of monitoring, an effective early warning of roof caving in this area was proposed. Through the confirmatory analysis based on the microseismic monitoring data, it can be concluded that the aggregation degree and the variation of the number of microseismic events in the region, energy index of microseismic event,and the time variation characteristics of cumulative apparent volume and energy index can be used to analyze the stability of roadway around the goaf of Chengde Tongxing mining and as the reference of ground pressure monitoring hazard warning.
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基金项目:“十三五”国家重点研发计划项目(2017YFC0602904);北京矿冶科技集团青年科技创新基金(04-1905)
引用文本:
刘 强1,2,赵 冉3,王 平1,2,蔡永顺1,2,袁本胜1,2.基于微震监测技术的采空区周边巷道稳定性研究[J].有色金属(矿山部分),2019,71(5):24-27.
LIU Qiang 1,2,ZHAO Ran3,,WANG Ping 1,2,CAI Yongshun 1,2,YUAN Bensheng1,2.Stability of roadway around the goaf based on microseismic monitoring technology[J].NONFERROUS METALS(Mining Section),2019,71(5):24-27.

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