采空区治理工程中注浆管的起拔及重复利用

Pull-out and reutilization of grouting pipe in treatment work of coal gob area

以某采空区治理工程为例 ,介绍了采用正反丝连接注浆管的新方法 ,成功地解决了注浆管的起拔及重复利用问题 ,并对新法与不拔管及常规拔管方法的经济性进行了分析比较。

Taking one regularization work of coal gob area as example a new method is introduced for grouting pipe connection, which successfully resolved the pull-out and reutilization issues of grouting pipe. In this paper economic analysis and comparison are made for this new method with traditional measures.