Stability Analysis of Dump Slope: Taking Zijinshan Open-Pit Mine as an Example

Table 1

Physical and mechanical parameters of layers.

Layering	Parameter
	Bulk density γ (KN/m^3)	Cohesion c (KPa)	Internal friction angle φ (°)	Modulus of elasticity E (MPa)	Poisson’s ratio μ
Newly discharged layer	19.5	21	27	20	0.3
Consolidated layer	20.5	25	28	30	0.4
Medium and fine-grained granite	26	200	40	5000	0.25