Table 5 Soil parameter of embankment slope.

From: Study on the disaster mechanism and prevention technology of embankment slip-collapse after extreme rainfall in the loess area

Saturation

Density/kg·m−3

Deformation modulus/MPa

Porosity

Saturated infiltration coefficient/cm·s−1

Cohesive force /kPa

Internal friction angle/°

Poisson’s ratio

0.54

1840

26.22

0.41

4.5 × 10–4

22.6

21.4

0.30

0.65

1888

21.00

0.41

4.5 × 10–4

20.0

21.1

0.32

0.77

1935

15.00

0.41

4.5 × 10–4

13.0

20.4

0.34

0.88

1982

9.00

0.41

4.5 × 10–4

12.0

20.2

0.38

1.00

2030

4.65

0.41

4.5 × 10–4

10.2

20.0

0.40