Property

Soil material

A1

E2

Unit weight of grains γs [t/m3]

2.65

2.65

Minimum porosity nmin

0.40

0.27

Maximum porosity nmax

0.52

0.40

Coefficient of uniformity Cu = d60/d10

2.10

13.9

Coefficient of curvature C c = d 30 2 / ( d 10 × d 60 )

1.00

6.70