Effect of Underground Coal Mining on Slope Morphology and Soil Erosion

Table 7

Data sheet of influence of the angle between the slope and the strike of the working face on the slope morphology.

Included angle	Gradient variation (°)	Gradient after mining (°)	Length variation (m)	Length after mining (m)
0°	0.632	15.632	1.393	208.449
30°	1.958	16.958	−18.510	188.546
45°	5.272	20.272	−49.439	157.617
60°	11.969	26.969	−89.388	117.668
90°	−0.078	14.922	−0.017	207.039