某矿山地下采空区对地表稳定性的影响研究
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作者单位
刘永,张志军,贺桂成,丁德馨 南华大学核资源与核燃料工程学院 
基金项目:国家自然科学基金项目资助(编号:51004067);教育部重点科研基金项目资助(编号:2011-126);高校博士学科点专项科研基金项目资助(编号:20104324120001);湖南省自然科学基金项目资助(编号:07JJ6169,07JJ6167);湖南省科技厅科研基金项目资助(编号:2009SK3137);湖南省教育厅优秀青年科研基金项目资助(编号:10B091)
中文摘要:矿山地下采空区的存在,给地表居民带来巨大的安全隐患。本文应用FLAC3D数值模拟软件建立了湖南某矿山地下采空区模型,进行了数值模拟计算,并采用自编接口程序,绘制了模型剖面位移等值线等图,进而对该采空区对地面沉降的影响进行了分析研究。分析结果表明,采空区顶板的变形对地表有较显著的影响,必须立即进行处理。文中最后还提出了合理的采空区处理措施,以保障后续开采工作顺利、安全地进行。
中文关键词:采空区  FLAC3D  数值模拟
 
Study on the effect of mined-out region on ground subsidence in a mine
Abstract:Mined-out regions always bring enormous security hidden trouble to the residents lived in ore area.The model of a mined-out region underground in a mine of Hunan has been established and calculated by FLAC3D,the displacement isoplethes of profiles of the model is made by self-compiled program,and the effect of mined-out region on ground subsidence has been analysized.The analysis result shows that the deformation of the roof of the mined-out region has significant influence on the ground surface and measures must be carried out immediately.Finally,the rational measures for treating the mined-out region are given to ensure the smooth and safe operation of the follow-up mining.
keywords:mined-out region  FLAC3D  numerical simulation
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