Through the analysis of belt roadway damage feature and reason in Ping’an Mine, immediate support and reasonable support strength were put forward. As for weak and soft rock body, pretension anchor bolt was the key to improve support strength. The support effect of different pretension anchor bolt was analyzed, the support plan of belt roadway in Ping’an roadway from roadway surrounding rock stress and plastic zone angle was chosen. The practice showed that the immediate and reasonable support could ensure the stability of roadway surrounding rock and the technology provide reference for support in similar roadway.
