双巷掘进两巷围岩变形及煤柱留设尺寸研究  

To Research Distortion of Surrounding Rock of Two-roadway and Coal Pillar Size in Grubbing of Two-roadway

作　　者：杨健彬[1] 徐乃忠[2] 

机构地区：[1]淮南矿业集团公司顾桥煤矿,安徽淮南232000 [2]安徽理工大学资源开发与管理工程系,安徽淮南232001

出　　处：《煤炭技术》2007年第11期123-125,共3页Coal Technology

摘　　要：通过数值计算,分析了双巷掘进时尾巷不同宽度及煤柱不同宽度时的双巷围岩变形、应力分布,得出尾巷的合理宽度及双巷掘进时煤柱尺寸的合理留设,为具有类似条件的巷道掘进提高参考。Through numerical simulation, this paper analyzed the distortion of surrounding rock and the stress distribution of two - roadway in the grubbing of two - roadway on the basis of tail - roadway and coal pillar dif- ferent size, obtained the rational size of tail - roadway and coal pillar, and offered the reference to the similar condition of two - roadway grubbing.

关 键 词：双巷 煤柱尺寸 围岩变形 数值计算 

分 类 号：TD263.5[矿业工程—矿井建设]