多次垮落巷道的支护分析

Analysis for Support Collapsed Much Times in Roadway

针对一些巷道在构造应力及其它因素的影响下发生多次严重破坏的现象 ,分析了巷道的破坏原因 ,讨论了现有支护形式的特点 ,确定了选择此类巷道合理支护方式的原则 ,提出了锚网拱喷联合支护结构 ,并在工程施工中得以应用。

Analyses the cause of roadway′s damage according to the phenomenon that some roadways have been seriously damaged many times under the effect of dynamic pressure and other factors,discusse the feature of all supporting methods in existence,determines the principle for selecting rational supporting patterns for these kinds of the roadways,anchor arched union stick of supporting structures has been put forward,at last,the methods have been used in some engineering examples.