Analysis of the Coal Fluidization Mining Process with the Continuous-Discontinuous Coupled Particle-Block Method

Table 2

Gangue material parameters.

Lithology	Filling ratio	Density (kg/m)	Cohesion (MPa)	Tension (MPa)	Friction angle (°)
Gangue filling body	70%/80%/90%	1200	0.3	0.1	10