【摘要】 基于对望田煤矿8号煤层复采残煤区域资源概况、煤层赋存结构充分调研的基础上,通过建立残煤赋存力学模型,从理论上分析了残留煤柱的稳定情况。更多还原

【Abstract】 On the sufficient investigation of regional resources and coal occurrence structure in old residual coal mining area in No.8 seam in Wangtian mine, the paper analyzes the stability of left coal pillars by establishing the mechanical model on left coal occurrence.更多还原