Analysis of the methods of roof management about the 5-2 coal seam in Zhujiahe mine

Since Zhujiahe mine has been put into production,it is difficult to manage the roof of goaf,and the disaster of the roof happens frequently,which affect the production of the mine severely. This paper defines the class of roof,and puts forward the reasonable management method about 5-2 coal seam in Zhujiahe mine,and further provides the basis for the roof management and the safety of the mine production by analyzing the geology structure,the condition of the 5-2 coal seam,the structure of main roof of the 5-2 coal seam and the lithology and the character of the mechanics of rock.