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

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.