文档介绍：唐口矿井微震活动迁移演化规律研究( ,山东** 266000 ; * ***** ,山东济宁 272055 ; * *** ,山东济宁 272055 ) 摘要: 通过对微震活动的时、空分布情况进行分析和研究, 初步得出了唐口矿井微震活动的迁移演化规律, 尤其是在微震活动迁移规律、微震活动与周期来压的关系、微震分布与工作面夹角、顶底板微震分布规律等方面进行研究。得出了可行性结论,对防治冲击地压和降低危险性提供了重要的指导作用。关键词: 微震事件; 冲击地压;迁移;演化中图分类号: TD324 文献标志码: A 文章编号: Research on Migration and Evolution of Microseism Activity in Tangkou Coal **** 1,3, ***** 2 ( 1. Shandong University of Science and Technology, Huangdao 266000 , China ; 2. Shandong Energy Zibo Mining Group Tangkou Coal, Jining 272055 , China ; 3. Bureau of Shandong Coal Safety Supervision , Jining 272055 , China ) Abstract : By analyzing and research the space-time distribution of microseism activity, preliminary results of migration and evolution of microseism events in Tangkou coal, the especially research in migration rule of microseism activity, the relation of microseism activit y and periodic weighting, the angle of microseism distribution and working face , the microseism distribution in roof and floor . Obtained with feasible conclusion ,p rovides an important guiding role for p reventing c oal b umps and reduce the risk . Key words : microseism events ; c oal b umps ; migration ; evolution 0 引言唐口矿井是淄矿集团在济北煤田投资建成的一座现代化大型矿井,其主井、副井、风井均超过千米。矿井主采的 3 上煤层经鉴属于 3类, 为具有强冲击倾向性煤层, 3 上煤层顶板属于 2 类,为具有弱冲击倾向性的岩层。受煤层及顶底板具有冲击倾向性、大埋深、地质构造复杂、开采技术等因素影响, 矿井冲击危险性较大[1] ,随着开采深度及开采范围的不断扩大,冲击危险程度逐渐提高,开始逐渐制约矿井安全生产