以关键层理论为基础,采用理论分析、相似模拟和数值模拟相结合的方法,对错层位无煤柱开采工作面上覆岩层运移规律进行了系统研究分析。错层位首采工作面开采与传统开采相类似,而由于错层位取消了区段煤柱的留设,接续工作面开采与传统留煤柱开采有较大差别。 Based on the theory of key strata, the law of overlying strata migration over the non-coal pillar mining face was systematically studied by theoretical analysis, similarity simulation and numerical simulation. The mining of face with the first seam in the faulty layer is similar to that of the traditional mining. However, due to the dislocation of the coal pillar in the fault zone, there is a great difference between the mining of the continuous working face and that of the traditional coal pillar.