摘要
以谢一矿4671B4斜井煤柱工作面为对象，通过现场实测，分析了该工作面矿压规律。结果表明：工作面初次来压步距为12．5 m，动载系数1．325；周期来压步距平均为9．78 m，平均动载系数1．735；支架工作阻力基本满足生产需求，超前支撑压力影响30～60 m。为巷道超前支护提供了依据。
Taking the 4671B4 inclined coal working face as the research object,through field meas-urement,the pressure regularity of the 4671B4 working face is analyzed.The analysis results show that, the first pressure step distance is 12.5 m,dynamic load coefficient is 1.325;average periodic pressure step distance is 9.78 m,average dynamic load coefficient is 1.735;the working resistance of the support can satisfy the production requirements basically,advance support stress influence range is 40 ~60 m. The above research results can provide reference for advance roadway supporting.
出处
《现代矿业》
CAS
2015年第5期4-5,8,共3页
Modern Mining
关键词
斜井煤柱
矿压显现规律
巷道位移
Inclined coal pillar
Strata behavior regularity
Displacement of roadway
