Table 2 Gradation composition of soils with different FPC.

From: Experimental and numerical study on the Frost-Heaving characteristics of subgrade soil in the Qinghai-Tibet plateau

Fine particle contents (%)

Particle size range (mm)

Content(%)

7

20 ~ 10

10.14

10 ~ 5

17.52

5 ~ 2

19.64

2 ~ 1

9.25

1 ~ 0.5

15.29

0.5 ~ 0.25

13.40

0.25 ~ 0.075

7.76

< 0.075

7.00

9

20 ~ 10

6.91

10 ~ 5

11.94

5 ~ 2

13.38

2 ~ 1

11.90

1 ~ 0.5

19.66

0.5 ~ 0.25

17.23

0.25 ~ 0.075

9.98

< 0.075

9.00

11

20 ~ 10

6.00

10 ~ 5

14.00

5 ~ 2

15.00

2 ~ 1

10.00

1 ~ 0.5

10.74

0.5 ~ 0.25

21.06

0.25 ~ 0.075

12.20

< 0.075

11.00

13

20 ~ 10

5.00

10 ~ 5

13.50

5 ~ 2

13.60

2 ~ 1

7.00

1 ~ 0.5

13.00

0.5 ~ 0.25

18.90

0.25 ~ 0.075

16.00

< 0.075

13.00