32407工作面瓦斯尾巷锚杆锚索支护技术

The Technique of Bolting and Anchor Rope in Gas Tail Roadway of 32407 Face

采用动态信息设计法进行锚杆锚索支护设计 ,确定了锚杆、锚索支护的合理参数 ;采用计算机数值模拟分析了瓦斯尾巷受初次和二次动压影响的支护效果。井下试验与矿压监测结果表明 ,32 4 0 7工作面瓦斯尾巷围岩变形小 ,巷道支护状况良好 ,现已成功保留下来 ,可为下一个工作面开采服务。

By using dynamic information design method,designs bolting and anchor rope,determines the rational parameter of bolting and anchor rope,by computer numerical model to analyse the bolting effect influced first and second mine pressure for gas tail roadway,the test and monitor indicate that the surrounding rock deformation is small,the roadway support condition is better in gas tail roadway of 32407 face,and this roadway is retained successfully at present,it may be serviced for mining next face.