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 the Dananhu No. 1 Coal Mine. https://www.jmannino.com/special-deal-A-Magazine-Curated-By-Sacai-quick-pick/