Table 1 Calculation parameters of the geotechnical materials of the slope.

From: Study on the influences of the fractal dimension of the root system and slope degree on the slope stability

Materials

Density /kg∙m−3

Modulus of elasticity /MPa

Poisson’s ratio

Cohesion /kPa

Internal friction angle /°

Plain soil

1700

3

0.3

9.8

24

Alfalfa root–soil complex

1756

3

0.3

12.5

27

Bedrock

2987

6700

0.2

26.8

40

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