肖家洼煤矿综采工作面矿压规律与围岩控制技术研究

Study on law of rock pressure and control technology of surrounding rock in fully mechanized coal mining face in Xiaojiawa coal mine

采用现场实测和数值模拟的方法,对肖家洼煤矿8煤综采工作面围岩在煤层开采过程中移动规律进行观测研究,掌握了8煤顶板初次来压和周期来压步距、工作面矿压显现规律、超前支承压力分布特征,并在此基础上对工作面支架适应性与平巷支护方案的合理性进行了分析。研究成果为现场管理提供了资料,为指导生产、解决工程问题提供了参考。

Using the method of in-situ observation and numerical simulation , the displacement law of surrounding rock in No.8 fully mechanized coal mining face in Xiaojiawa coal mine is observed and studied in the process of coal mining, and the interval of first weighting and periodic weighting of roof in No.8 coal seam, the law of pressure behavior in working face and the distribution characteristics of advance abutment pressure are known well, and on the basis of this the support adaptability in working face and rationality of supporting scheme of roadway are also analyzed. The research results may provide the perfect and accurate data for the field management to direct the production and solve the engineering problems.