动压巷道组合锚索支护应用分析  

Application Analysis of Combined Anchor Cable Support for Dynamic Pressure Roadway

作　　者：刘瑞军 Liu Ruijun(Shanxi Coal Import&Export Group Zuoyun Hanjiawa Coal Co,Ltd.,Datong Shanxi 037100,China)

机构地区：[1]山西煤炭进出口集团左云韩家洼煤业有限公司,山西大同037100

出　　处：《机械管理开发》2023年第10期284-285,288,共3页Mechanical Management and Development

摘　　要：基于韩家洼煤矿202运输顺槽机头硐室段掘进期间受动压影响,巷道变形严重、围岩收敛量大等问题,通过技术研究,决定对动压巷道施工组合锚索支护,对组合锚索“应力柱”效应进行合理分析。实际应用效果表明,采取组合锚索支护后降低了动压巷道支护成本,控制了围岩动压变形量,取得了显著应用成效。Based on the technical dificulties such as serious roadway deformation and large amount of perimeter rock convergence due to the influence of dynamic pressure during the excavation of the 202 transport tunnel head chamber section in Hanjiawa Coal Mine,it is decided to construct the combined anchor cable support for the dynamic-pressure roadway through the technical research,and the effect of the combined anchor cable's"power column"is reasonably analysed,and the actual application effect shows that the combined anchor cable support can reduce the dynamic-pressure roadway support after being adopted.The actual application effect shows that the adoption of combined anchor cable support reduces the support cost of dynamic pressure roadway,controls the amount of deformation of peripheral rock dynamic pressure,and achieves significant application results.

关 键 词：动压巷道 组合锚索 “应力柱”效应 

分 类 号：TD353[矿业工程—矿井建设]