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.

• 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。