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煤层含矸率较高给煤矿正常生产造成了一定的影响。鉴于煤层含矸条件下工作面超前支承压力的研究相对较少,本文采用离散元数值模拟软件UDEC2D4.0,针对夹矸厚度和硬度不同的煤层进行数值计算,分析夹矸层对工作面支承压力的影响,得到含矸煤层的支承压力分布规律,为指导现场生产提供依据。
High coal seam rockfill rate to the normal production of coal mines caused a certain impact. In view of the research on the advanced supporting pressure of coal face with rockfill, the discrete element numerical simulation software UDEC2D4.0 is used to calculate the coal seam with different thickness and hardness. , The pressure distribution law of abutment with gangue is obtained, which provides the basis for directing on-site production.