Parameters/criteria

Reference soils

A1

A2

E1

E2

E5

Coefficient of uniformity U

2.10

3.00

6.80

13.50

23.40

Ratio (H/F)_min

2.92

3.23

1.10

0.20

0.03

(d_15F/d_85b)_mod

1.21

1.41

3.80

7.20

13.84

Istomina (1957)

S

S

S

S/U

U

Cistin (1965)

S

S

S

U

U

Lubochkov (1965)

S

S

U

U

U

Kezdi (1979) @ (H/F)_min

S

S

S

U

U

Sherard (1979) @ (H/F)_min

S

S

S

U

U

De Mello (1975) @ (H/F)_min

S

S

S

U

U

Kenney et Lau (1986)

S

S

S

U

U

BAW MSD (1989) @ (H/F)_min

S

S

U

U

U

Proposed method

S

S

S/U

U

U