Layers

Unit weight (kN/m³)

Saturated unit weight (kN/m³)

Elastic modulus (kN/m²)

Poisson’s ratio

Cohesion

(kN/m²)

Friction angle (˚)

Dilatancy angle (˚)

Permeability (m/day)

artificial fill (0 ~ −7 m)

15

18

15,000

0.2

3

35

0

1

fine sand (−7 ~ −20 m)

17

20

20,000

0.2

4

30

0

1

sand (−20 ~ −30 m)

16

18

18,000

0.25

2

30

0

1

clay (−30 ~ −40 m)

14

17

4000

0.15

15

20

0

0.001