巨厚煤层重复采动地表移动特点分析  

Surface Movement Characteristics of Super Thick Coal Seam Under Repeat Mining

作　　者：孙世国[1] 郭珮 董彦飞[1] 郭炜晨 苏振华[1] 

机构地区：[1]北方工业大学,北京100144

出　　处：《煤矿安全》2016年第1期188-191,共4页Safety in Coal Mines

基　　金：国家自然科学基金资助项目(41172250);"十二五"国家科技支撑计划资助项目(2012BAK09B06);北京市创新团队提升计划资助项目(IDHT20140501);北京市科研基地建设-科研创新平台资助项目;北京市科技成果转化资助项目

摘　　要：以老虎台矿特厚煤层分层综放开采为工程实例,通过数值模拟研究,系统分析了厚煤层分层综放开采诱发的地表下沉盆地大小及其影响范围,研究了大型断裂带的存在对地表变形的影响特点及其破坏效应,然后确定巨厚煤层分层综放开采作用下地表移动基本参数。In this paper, taking the Laohutai special thick coal seam mechanized caving mining as an engineering instance, through nu- merical simulation research, we systematically analyzed how thick coal seam mechanized caving mining induced surface subsidence ba- sin magnitude and scope, researched impacted characteristics and destructive effect of the surface deformation of large fault zone, deter- mined the basic parameters of surface movement under the action of the extremely thick coal seam mechanized caving mining.

关 键 词：分层综放开采 重复采动 特厚煤层 地表移动特征 

分 类 号：TD325[矿业工程—矿井建设]