摘要
对孔庄矿井７１７７高档放顶煤工作面进行了矿压观测与分析。
Based on the stratacontrol observation and analysis of No.7177 working face under highlever caving method of Coalmine Kongzhuang.the strata behaviour laws of the working face with ZWMtype gridshaped walking hydraulic support under highlever caving method are obtainded.
关键词
高档放顶
初次来压
周期来压
矿压显现
highlever caving method,first weighting,periodic weighting,strata behaviour
