With the difference of lithological characters considered, the generalized subsidence formula for strata and surface movement is derived. Some applied fields and an example are given.
在考虑岩性差异的条件下，推导出了岩层与地表移动的广义下沉公式，最后列举了其应用意义和实例。
The strata movement and the ground surface subsidence caused by underground mining are serious underground engineering problems.
地下开采引起的岩层移动和地表沉陷是一个非常严重的地下工程问题。
Modelling tests are made to study problems of supporting state of coal pillar together with characteristics of overlying strata and surface movement in partial mining in this paper.
本文通过相似材料模型试验探讨了条带法开采中条带煤柱的支撑状态及覆岩和地表移动问题。
The laws on the rock strata and surface movement that have known is basically based on the rock strength, not considering exist and the effect on the subsidence laws of the fissure and the weak face.
已有的岩层与地表移动规律基本上以岩石强度为基础，很少顾及岩体中裂隙弱面的存在，及其对岩层与地表移动规律的影响。
During overlying rock strata being fractured, the surface gas drainage boreholes may be damaged due to ground movement.
在长壁工作面通过的过程中，地面垂直钻孔可能随岩层移动而发生破坏。
Based on the model of mechanics, some functional formulae of strata and surface movement above longwall mining goaf are derived by using the displacement method of theory of elasticity.
本文在力学模型的基础上，利用弹性理论的位移函数法导出了长壁采煤法采空区上方岩层及地表移动的函数表达式，同时给出了岩层及地表最大移动值的计算公式。
With barrier pillars to decrease the strata movement along the strike, and goaf triangle pillars to decrease the strata slipping along the dip, surface subsidence could be preferably controlled.
采区边界煤柱控制走向方向的上覆岩层破坏范围，采空区边界三角煤柱控制倾斜方向的上覆岩层滑移变形，最终达到控制地表沉陷的目的。
With barrier pillars to decrease the strata movement along the strike, and goaf triangle pillars to decrease the strata slipping along the dip, surface subsidence could be preferably controlled.
采区边界煤柱控制走向方向的上覆岩层破坏范围，采空区边界三角煤柱控制倾斜方向的上覆岩层滑移变形，最终达到控制地表沉陷的目的。
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