厚煤层综放开采工作面地表岩移实测分析

Analysis of Surface Rock Shift in Fully Mechanized Mining Face of Thick Coal Layer

随工作面向前推进,采空区范围逐渐增大,上覆岩层因失去支撑而垮落下沉,沉降逐层传递,直至地表造成岩层移动。为研究掌握厚煤层综放开采条件下的地表岩移规律,本文以小峪煤矿8202工作面为例,结合理论、实测等方式,对厚煤层综放工作面上方地表岩层移动进行实测分析,为厚煤层采动影响下的地表沉陷控制提供数据支撑。

With the advance of the working face,the scope of goaf gradually increases,the overlying strata collapse and sink due to the loss of support,and the settlement is transferred layer by layer until the ground surface causes strata movement.In order to study and master the law of surface rock movement under the condition of fully mechanized top coal caving mining in thick coal seam,this paper takes 8202 working face of Xiaoyu Coal Mine as an example,combined with theory,measurement and other methods,analyzes the surface rock movement above the fully mechanized top coal caving working face in thick coal seam,and provides data support for surface subsidence control under the influence of mining in thick coal seam.