Stability Analysis of Underground Pillar Supporting System under Different Disturbed Stresses

Table 1

The mechanical parameters of the pillar supporting system in the numerical model.

Density (kg·m^-3)	Elastic modulus (MPa)	Poisson’s ratio	Cohesion (MPa)	Internal friction angle (°)	Compressive strength (MPa)
1471	2763.86	0.2521	1.34	25	14.80