复合采动影响下地表变形预测与危险区划分方法

矿山岩体工程开挖将改变原岩应力状态，由此引起岩体本身及周围一定区域的移动和变形，地下与露天复合开采的矿山更是如此，其变形速率之大、范围之广、时间之长已严重地影响周边环境的安全。通过对地下与露天复合采动影响下地表变形规律进行研究，建立了相应的移动模型。在此基础上，对移动参数的计算方法及地面变形区的划分方法等问题进行了研究。然后，依据当前形量和后续变形量大小，对矿山继续开采可能产生的破坏范围进行了划分

Study of Method of the Ground Deformation Prediction and its Destruction Division under Combined Minine Influence

Excavation of mine rock engineering will change state of original rock mass.For this reason,surrounding area and itself will produce displacement and deformation.Mine for combined underground and open pit had seriously produced influence on surrounding environment as deformation velocity was great,scoope was wide and time was long.Therefore.this paper is aimed at studying ground deformation division would be studied,then destruction scope would be extinguished according to deformation values now and producing deformation values continued excavation.So it would serve production safely.