摘要
通过观测孔庄矿井７１７７工作面ＺＷＭ网格式液压迈步放顶煤支架的阻力，分析了支架承载特性。
With observation on the resistance of ZWMtype gridshaped walking hydraulic support on No.7177 working face of Kongzhuang Coal Mine, the loadcarrying properties are analysised, measures for raising usage rate of the support working resistance have been put forward.
出处
《淮南工业学院学报》
1999年第1期31-34,44,共5页
Journal of Huainan Institute of Technology(Natural Science)
关键词
工作阻力
承载特性
网格支架
工作面
放顶煤
highlevel caving method
working resistance
loadcarrying properties
gridshaped hydraulic support
