Xin-Zhu Hua

Deformation failure mechanism and asymmetric coupling support technology of roadways in large dip angle fully mechanized top coal caving mining

One side of 7403 fully mechanized top coal caving mining with a large dip angle in Zouzhuang Coal Mine is a gob; the return airway is excavated along the floor, while the haulage roadway is excavated along the roof, and the working face is mined along the coal seam floor. The deformation and failure of the surrounding...