Table 3 Criteria for judging slope stability.

From: Insights from indoor testing and numerical simulations of the Lanniqing Landslide in Zhaotong, Yunnan Province, China

Safety factor Fs

Slope stability status

Fs ≥ 1.15

Stable

1.05 ≤ Fs < 1.15

Basically stable

1.00 ≤ Fs < 1.05

Marginally stable

Fs < 1.00

Unstable

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