高预应力锚梁网索联合支护在五凤煤矿煤巷中的应用  

The Application of High Pre-stress Wire Meshes Beam and Cable Anchor Combined Support in Wufeng Coal Mine Roadway

作　　者：王昌琪[1] 刘玉成[1] 帅亮乾[1] 朱贞义 

机构地区：[1]西部矿井开采及灾害防治教育部重点实验室毕节研究室(毕节学院),贵州毕节551700 [2]永贵五凤煤业有限责任公司,贵州大方551610

出　　处：《煤矿安全》2012年第9期152-154,共3页Safety in Coal Mines

基　　金：贵州省科学技术基金资助项目(黔科合J字[2012]2006号)

摘　　要：针对五凤煤矿原回采巷道断面形状及支护方式方面的不合理因素,分析了巷道变形破坏的机理。在此基础上,采用高预应力锚梁网、索联合支护,合理设计锚杆(索)间排距、安装角及预应力大小,对巷道断面及支护进行重新设计,变被动支护为主动支护。改进后的设计方案有效地控制了巷道围岩的变形破坏,保证了巷道安全。According to the unreasonable factors of section shape and support mode in the original mining roadway of Wufeng coal mine, the paper analyzes the mechanism of deformation and failure of the roadway. On this basis, through the use of high pre - stress wire meshes beam and cable anchor combined support, the bolting （cable） space, and magnitude of installation angle and prestress are de- signed reasonably. The roadway section and support mode are redesigned that the support mode have been changed from passive support to active support. The deformation and failure of the surrounding rock of the roadway have been controlled effectively and the roadway safety have been ensured through the above improved scheme.

关 键 词：高预应力 锚杆支护 锚索加固 端部锚固 

分 类 号：TD353[矿业工程—矿井建设]