Quantitative Evaluation of Top Coal Caving Methods at the Working Face of Extra-Thick Coal Seams Based on the Random Medium Theory

Table 1

Geometric parameters of the caving body.

Height H	5	10	13	14	15
Width l	3.8	6	6.8	7.4	7.8
Eccentricity e	0.760	0.600	0.523	0.529	0.520