潞安矿区构造裂隙分布特征的实测分析

在地下采矿工程中 ,构造裂隙分布特征对回采工作面顶板移动冒落规律与巷道的稳定性有很大影响 ,受区域地质构造控制的裂隙分布状况即裂隙组数、间距、倾角和展布方位 ,各组裂隙的相互关系决定着裂隙的发育程度 ,而裂隙的空间分布特征、发育程度及其裂隙分布与工作面布置或巷道轴向布置的匹配关系 ,将直接影响工作面的快速安全生产和巷道围岩收敛变形规律与维护稳定 ,通过潞安矿区三个矿井的构造裂隙现场实测 ,分析了不同矿井的构造裂隙优势展布方位 ,比较发育程度差异 ,为评价裂隙分布对巷道稳定性的影响程度奠定了坚实基础

Test Analysis of Distribution Feature of Tectonic Crack in Lu'an Coal Mine

Mining coal under ground,tectonic crack distributian feature has great influence to roof moving fall at working face and stability of roadway,controlled by area geological structure,crack distribution situation,which crack amount,distance,inclination and distribution place,determine developing degree of crack,but space distribution feature,developing degree and disfribution of crack have connection with workface arrangement and axial arrangement of roadway they will influence directly quick safe in production at workface and weak deform rule of roadway rocktrata and upholding stability,through crack test to three coal mine of Lu′an,this paper analyzes superiority distribution situation of tecfonic orack in different coal mine,compares difference of developing degree,has a solid foundation for crack distribution influencing to roadway stability.