2105综放工作面覆岩活动规律分析及矿压特征研究  

Analysis of Overlying Rock Activity Law and Study on Mine Pressure Characteristics in the 2105 Fully Mechanized Caving Face

作　　者：苗青旺 Miao Qing-wang(Lu'an Group Puxian Yitian Coal Industry Co.,Ltd.,Shanxi Puxian 041200)

机构地区：[1]潞安集团蒲县伊田煤业有限公司,山西蒲县041200

出　　处：《山东煤炭科技》2020年第3期55-57,61,共4页Shandong Coal Science and Technology

摘　　要：为掌握伊田煤业2105综放工作面覆岩运动规律及矿压特征,采用理论分析和数值模拟相结合的方式对覆岩破断步距及规律进行分析。结果表明:工作面基本顶的初次来压步距和周期来压步距分别为25~30m和12~17m,支架的加权平均工作阻力和末阻力分别占到额定工作阻力的64.8%和63.8%,支架适应性较好。In order to master the movement law and pressure characteristics of overburden in 2105 fully mechanized caving face of Yitian Coal Industry,the method of combining theoretical analysis and numerical simulation is adopted to analyze the step distance and law of overburden fracture.The results show that the initial and periodic steps of the working face are 25~30m and 12~17m,respectively.The weighted average working resistance and the final resistance of the support account for 64.8%and 63.8%of the rated working resistance,respectively.The support has good adaptability.

关 键 词：综放 支架 适应性 矿压 

分 类 号：TD323[矿业工程—矿井建设]