含软夹层石灰岩顶板动态判定与支护技术研究  

Study on Dynamic Determination and Support Technology of Limestone Roof with Soft Intercalation

作　　者：张英[1] ZHANG Ying(Yuecheng Coal Mine, Qinxiu Mining Industry Co., Ltd.,Qinshui 048205, China)

机构地区：[1]晋煤集团沁秀煤业有限公司岳城煤矿

出　　处：《煤》2020年第3期15-18,43,共5页Coal

摘　　要：文章通过对凤凰山矿15号煤层K2石灰岩顶板岩性特征的判断和分析,结合锚杆支护技术理论,根据不同顶板条件,给出了相适应的支护方案。现场试验结果表明,新支护设计对巷道围岩控制效果良好,达到了科学支护与安全高效生产的双重目的。Based on phoenix mountain no.15 coal seam K2 limestone of lithologic features of judgment and analysis,combining the theory of bolt support technology,according to different roof conditions,gives the support scheme adapted to field test results show that the new supporting design of roadway surrounding rock control effect is good,to the dual purpose of science support and safe and efficient production.

关 键 词：K2石灰岩顶板 动态判定 顶板控制 

分 类 号：TD325.3[矿业工程—矿井建设]