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本次研究是针对矿井沿空留巷巷道底板相关情况开展的研究，对沿空留巷巷道底板底鼓原因加以分析，对沿空留巷巷道数值模拟状况进行刍议，对沿空留巷现场监测及底鼓控制对策作以探讨，目的是为了明确井下沿空留巷巷道底板受损原因后，作以数值模拟、监测、控制等处理工作，提高采矿企业生产效率、作业安全性。“,”This study is aimed at the mine roadway floor along the empty left lane related case studies, for the reason of floor heave of roadway floor for the analysis, the numerical simulation conditions along the empty left lane roadway in series.the, on the field monitoring for along and floor heave control countermeasures to discuss, the purpose is to clear the underground along the roadway floor for the damaged reasons, For numerical simulation, monitoring, control and other processing work, improve the production efficiency of mining enterprises, work safety.