摘要
通过现场矿压观测,对浅埋煤层单体工作面矿压观测数据进行分析,得出4112工作面初次来压步距,周期来压步距,来压强度等矿压显现规律以及工作面过断层的矿压显现特征,并对工作面支护状况进行评价,分析了影响单体液压支柱初撑力的因素,为现场顶板管理提出建议和依据。
By ground pressure observation of 4112 face supported by individual hydraulic prop,the strata behavior of first weighting pace,periodic weighting pace and weighting strength is obtained.The paper proposed some suggestions for roof control based on the assessment of support condition of face and the analysis of the factors influencing setting load of hydraulic prop.
出处
《陕西煤炭》
2010年第3期51-53,共3页
Shaanxi Coal
关键词
浅埋煤层
矿压观测
顶板管理
支护状况
shallow seam
ground pressure observation
roof control
support condition
