Numerical Simulation Analysis of Slope Instability and Failure of Limestone Mine in Weibei

Table 1

Slope stability state grading table.

Stability factor fs	Fs < 1.00	1.0 ≤ Fs < 1.05	1.05 ≤ Fs < 1.15	Fs ≥ 1.15
Slope steady state	Unstable	Understable	Basically stable	Stable