“三软”煤层炮采放顶煤工作面矿压规律研究(点击标题下载全文) 已下载

作者:张光耀;李振华;岳世权

作者单位:郑州市大峪沟矿务局河南理工大学郑州市大峪沟矿务局

摘要:通过对红旗井中厚煤层炮采放顶煤工作面矿压观测分析,得出“三软”中厚煤层炮采放顶煤工作面的矿压显现特征,综合评价其支架的适应性与工作状态,为工作面支架选型提供依据,对同类条件下放顶煤工作面开采具有指导意义.

基金:河南省重大科技攻关项目(2002-183);

关键词:“三软”煤层;放顶煤;矿压显现特征;

DOI:10.16186/j.cnki.1673-9787.2005.04.007

分类号:TD323

Study on Strata Behavior Regularity in Top-caving Mining Face of Three Soft and Midium- thickness Coal Seams

Abstract:Based on the observation and analysis of strata behavior in top- caving mining face of midium- thickness coal faces in Hongqi shaft, the characteristics of strata behavior can be drawn.The paper evaluates the adaptability and working state of its support, and provides a basis for support selection and has the instructional significance for dip face in the same condition.

 
 
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