Trajectory Analysis and Risk Evaluation of Dangerous Rock Mass Instability of an Overhang Slope, Southwest of China

Table 8

Hazard source level of the dangerous rock mass.

Steady state	Large scale	Medium scale	Small scale
	(≥100 m³)	(10∼100 m³)	(<10 m³)
Basically stable	III	III	III
Less stable	II	II	III
Unstable	I	I	I