Support Technology for Weak Floor Roadway Effected by Dynamic Pressure

The 3^# coal seam roadway of a mine in Zibo Mining Area is a typical soft floor and dynamic pressure affected roadway, the roadway deformation with a strong floor heave and a shift within the foot. So, this article proposed an support technology solution to control the deformation of the surrounding rock, based on the characteristics of such roadway and combined with modern control theory, the failure reasons for weak rock bottom dynamic pressure affected roadway are analyzed; through field trials, the program can effectively control the deformation of the surrounding rock.