Dynamic Changes in Surface Damage Induced by High-Intensity Mining of Shallow, Thick Coal Seams in Gully Areas

Table 1

Statistics of accidents and the resulting damage.

Mine name	Working face	Disaster type	Notes
Chuancao Gedan coal mine	6106 working face	Dynamic strata pressure disaster	Roof step sinking, strut burst
Daliuta coal mine	C202 working face	Dynamic strata pressure disaster	Support crushing, water inrush
Daliuta coal mine	1203 working face	Dynamic strata pressure disaster	Roof step sinking, support crushing
Huojitu coal mine	12304 working face	Dynamic strata pressure disaster	Massive roof fall, water inrush, and sand burst
Chuancao Gedan coal mine	6206 working face	Geological disaster	Massive landslide, surface road damage
Bulianta coal mine	22307 working face	Geological disaster	Large-scale subsidence, water damage
Shangwan coal mine	51102 working face	Geological disaster	Large-scale subsidence, massive landslide
Buertai coal mine	42105 working face	Geological disaster	Surface road damage, large-scale subsidence, and water damage