条带开采矸石充填控制变形的数值模拟研究  

Study on Numerical Simulation of Controlled Deformation in Partial Excavation with Waste Filling

作　　者：卜万奎[1] 李强[1] 徐慧[2] 缪协兴[1] 

机构地区：[1]中国矿业大学理学院,江苏徐州221008 [2]中国矿业大学资源学院,江苏徐州221008

出　　处：《矿业安全与环保》2008年第2期4-7,共4页Mining Safety & Environmental Protection

基　　金：国家自然科学基金重大项目(50490273);国家“973”项目(2005CB221502)

摘　　要：针对煤矸石地表堆积对人类生存环境带来的威胁与危害,依据绿色开采中条带充填控制开采沉陷的思路,采用大型数值模拟软件FLAC,研究了条带开采矸石井下充填控制变形作用,对比分析了有充填和无充填条件下的煤柱垂直位移、水平位移以及地表下沉量,得出了一系列有价值的结论。结果表明,实施条带充填开采可减小煤柱变形,有效控制上覆岩层变形和地表下沉。To counter the threatening and harmfulness of surface accumulated waste to the living environment of human beings and according to the idea of using partial waste filling to control the mining subsidence,study was conducted on the effect of using waste filling to control the deformation with partial extraction by using numerical simulation software FLAC.The vertical and horizontal displacement of coal pillar and the ground subsidence were analyzed under the two conditions with and without waste filling,and thus a series of valuable conclusions were gained.It was testified that using waste filling with partial extraction can reduce the deformation of coal pillar and effectively control the deformation of strata and the ground subsidence.

关 键 词：煤矸石 井下处理 充填 条带开采 数值模拟 

分 类 号：TD823[矿业工程—煤矿开采]