Calculation of Subsidence due to Longwall Mining with Overburden Grouting and Its Application

Table 4

Deformation of villages with grouting and protection aim.

Mining directly	Subsidence; (mm)	Slope; (mm· m^−1)	Horizontal strain; (mm· m^−1)	Curvature; (mm· m^−2)	Horizontal displacement; (mm)	Damage level
Villages	-92	0.7	0.64	-0.01	79	I
Target	—	≤3.0	≤2.0	≤0.2	—	I