• 中文核心期刊
  • 中国科技核心期刊
  • RCCSE中国核心学术期刊

西马煤矿村庄下条带开采方案设计与应用

李杰, 张兆威, 杨逾, 刘文洲

李杰, 张兆威, 杨逾, 刘文洲. 西马煤矿村庄下条带开采方案设计与应用[J]. 煤矿安全, 2017, 48(7): 155-158.
引用本文: 李杰, 张兆威, 杨逾, 刘文洲. 西马煤矿村庄下条带开采方案设计与应用[J]. 煤矿安全, 2017, 48(7): 155-158.
LI Jie, ZHANG Zhaowei, YANG Yu, LIU Wenzhou. Program Design and Application of Strip Mining of Xima Coal Mine Under Village[J]. Safety in Coal Mines, 2017, 48(7): 155-158.
Citation: LI Jie, ZHANG Zhaowei, YANG Yu, LIU Wenzhou. Program Design and Application of Strip Mining of Xima Coal Mine Under Village[J]. Safety in Coal Mines, 2017, 48(7): 155-158.

西马煤矿村庄下条带开采方案设计与应用

Program Design and Application of Strip Mining of Xima Coal Mine Under Village

  • 摘要: 为解决西马煤矿北二采区村庄下压煤问题,对压煤区域进行合理开采以减小多煤层多次采动对地表影响。以村下采区12#煤层地质条件为基础,应用压力拱理论确定村下压煤条带开采方案,并对条带煤柱采宽与留宽进行合理设计以保证煤柱获得长期安全性和稳定性。同时,应用FLAC3D程序对开采区域地层稳定性进行数值模拟分析,揭示开采过程覆岩移动规律和蠕变变形特征。分析结果表明:随着时间的推移,地表沉降变形趋于稳定,设计开采区域采空区上覆岩层应力场分布重新达到平衡且整体处于稳定状态。
    Abstract: In order to solve the problem of coal mining under the village of Xima Coal Mine, coal mining is rationally adopted to reduce the impact of multiple coal mining on the surface. Based on the occurrence of 12# coal seam in the mine, the method of strip coal mining under the building is determined by the pressure arch theory, and the mining width and leaving width of strip coal pillar are rationally designed to ensure long-term safety and stability of coal pillar. At the same time, the FLAC3D program is used to simulate the strata stability of mining area and reveal the movement law and creep deformation characteristics of overlying strata during mining. The results show that the deformation of surface subsidence is stable as the time going on, and the distribution of stress field of the overlying strata in the designed mining area is rebalanced and the whole is in a steady state.
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出版历程
  • 发布日期:  2017-07-19

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