Table 2 Normalized Recommended Value Ranges for Assessment Indicators.

From: Study on comprehensive landslide risk zoning method in open pit mines under multi factor coupling effects

Indicator

Normalized Recommended Value Range Corresponding to Indicator Values

[0,0.25]

(0.25,0.5]

(0.5,0.75]

(0.75,1]

Slope Angle (°)

[0,10]

(10,25]

(25,45]

(45,90]

Slope Height (m)

[0,100]

(100,200]

(200,300]

(300, + \(\infty\)]

Rock and Soil Properties

Igneous Rock

Metamorphic Rock

Sedimentary Rock

Weathered Rock

 

Clay

Silt

Sand

Gravelly Soil

Degree of Crack Development

No surface cracks

Few surface cracks, non-penetrative

Extensive surface cracks, non-penetrative

Fully penetrating cracks inducing localized slope failure

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