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依据程潮铁矿西区的地表水平位移、沉降位移和运输巷道关键测点的变形监测成果,对运输巷道区域地表变形规律及变形机理进行了分析研究。结果表明:运输巷道目前位于倾倒区,深部岩体变形处于弯曲变形阶段,变形趋势为向采空区的整体倾倒,该区域变形不大,以稳定变形为主;随着采矿工作在深度和平面上的拓展,深部岩体有可能形成弯曲折断面,进入倾倒滑移区,地表变形以快速为主。其成果对程潮铁矿西区运输巷道的安全运营及类似工程具有重要的指导意义。
According to the monitoring results of surface horizontal displacement, settlement displacement and key measurement points of transport tunnel in the west of Chengchao Iron Mine, the deformation laws and deformation mechanisms of the surface of the transport tunnel are analyzed. The results show that the roadway is located in the dumping area at present, and the deformation of the deep rock mass is in the stage of bending deformation. The deformation tendency is the overall dumping to the goaf. The deformation is not large and the deformation is dominant. With the mining work in the depth and the plane On the development of deep rock may form bending fracture, into the dumping slip zone, surface deformation to quickly dominated. The results have important guiding significance for the safe operation and similar projects of the transport lane in the west of Chengchao Iron Mine.