Study On The Failure Mechanism And Repair Design Of The Deep Frozen Shaftwall And Ingate In The Western Region

In this paper the Shenhua Group tower ran gol mine auxiliary shaft and ingate repair project as the project background, theoretical study is carried out, the proposed system, reasonable repair scheme of restoration project and the engineering numerical monitoring process.In the western area of whole deep frozen shaft (ta ran gao le mine auxiliary shaft) and horsehead failure characteristics are given in this paper, tower ran gol mine auxiliary shaft and horsehead failure reason, the principle of common action of auxiliary shaft and ingate position of supporting structure and surrounding rock based on the numerical analysis, the supporting structure and surrounding rock stress and the distribution of displacement, and according to the results of calculation and analysis, put forward a design scheme of shaft strengthening and ingate repair. At the same time in the repair and reinforcement of retaining structure force conditions of information monitoring, monitoring results indicate that, wall and ingate support stable support structure, repair and reinforcement effect.The research results of this paper provide a theoretical basis for the Inner Mongolia tower ran gol mine shaft ingate repair engineering; repair repair scheme is proposed in this paper to guide the tower ran gol mine shaft, but also can be used as reference in design near the repair scheme; repair design scheme is proposed in this paper to reduce the construction cost of repair, safety fast it is important to mine repair.