摘要
基于深部大采高超长工作面回采实际情况,采用理论分析、数值模拟和现场实测相结合的方法,对谢桥煤矿362.9 m超长工作面矿压显现特征进行分析。结果表明:工作面初次来压步距39.56 m,周期来压步距12.48 m,与理论分析接近;来压期间,工作面倾向压力分布呈现"两片"、"三段三峰值"特征,并分析了其产生的原因。研究对类似条件下工作面回采具有借鉴意义。
Based on actual recovery of deep large mining height super long working face, theory analysis combined with numerical simulation and measurement on site, 362.9 m long working face strata behavior features of Xieqiao Mine was analyzed. The result showed that first weighting interval was 39.56 m, periodic weighting length 12.48 m, close to theory analysis, during the pressure, tendency pressure of working face appeared with two pieces, three period with three peaks, and the reason was analyzed, which provided reference for similar condition of working face recovery.
出处
《煤炭与化工》
CAS
2015年第11期10-13,16,共5页
Coal and Chemical Industry
基金
国家自然科学基金青年基金(51504136)
关键词
超长工作面
大采高综采
深部开采
矿压显现特征
super long working face
large mining height fully mechanized mining
deep mining
strata behavior features
