松动圈测试在巷道支护设计中的应用  

Application of Broken Rock Circle Measure in Design of Entry Support

作　　者：张金耀[1] 岐红升 王玉海[1] 

机构地区：[1]霍州煤电集团公司李雅庄分公司,山西霍州031400

出　　处：《山西煤炭》2003年第2期34-34,37,59,共3页Shanxi Coal

摘　　要：阐述了巷道围岩类别是影响巷道支护参数选择的主要因素 ,而松动圈的测试是评价围岩类别的可靠依据 。The type of surrounding rock is the main factor to influence entry support parameters,and broken rock circle measure is the dependable base to estimate the type of surrounding rock;the principle to measure broken rock circle and choose entry support parameters are introduced.

关 键 词：巷道支护设计 围岩 支护参数 松动圈 支护方式 锚杆 

分 类 号：TD353[矿业工程—矿井建设]