Abstract:
Paste filling mining is a new approach for the solution of pressed coal resources, it can fully recovery resources and prolong the service of coal mine. Law of surface movement and overburden failure for paste filling fully mechanized mining was not study deeply. In this article, the surface and underground roadway rock move monitoring stations were set up to monitoring the whole working face mining. The data analysis show the law of surface movement and overburden failure that the tunnel roof will not collapse, the ground surface movement and deformation can significantly reduced. Finally, the optimum mining subsidence prediction parameters of paste filling mining were obtained by computer fitting. When the subsidence coefficient
q=0.16, the effectiveness of reducing subsidence is obvious. So the paste filling mining is the better mining techonology to protect the surface buliding.