21051工作面支柱迎山角计算研究  

Research on the calculation of 21051 working face prop-setting angle

作　　者：杨军亭 彭小亚 

机构地区：[1]富山煤业有限公司,河南禹州461670

出　　处：《山东煤炭科技》2014年第9期49-51,共3页Shandong Coal Science and Technology

摘　　要：采用理论分析的方法,对支柱迎山角计算公式进行了推导研究,依据推导公式对21051工作面支柱迎山角进行了计算。针对21051工作面"三软"特征,结合生产经验,明确了支柱迎山角合理取值范围,并提出了相应的保证措施。Using the method of theoretical analysis, calculation formula is derived on the prop setting angle, on the basis of the formula for the 21051 working face prop setting angle were calculated. According to 21051 working face in ＂Three Soft＂ feature, combined with the production experience, the reasonable range of prop setting angle, and puts forward the corresponding guarantee measure.

关 键 词：大倾角 “三软”煤层 迎山角 

分 类 号：TD355.3[矿业工程—矿井建设]