Research on Mechanism and Control of Floor Heave of Mining-Influenced Roadway in Top Coal Caving Working Face
The stability of the surrounding rock is the key problem regarding the normal use of coal mine roadways, and the floor heave of roadways is one of the key factors that can restrict high-yield and high-efficiency mining.Based on the 1305 auxiliary transportation roadway geological conditions in skin of the flayed one the Dananhu No.1 Coal Mine, Xinj