砂样

<9.5

4.75

2.36

1.18

0.6

0.3

0.15

<0.075

粗砂

100

99.5

93.9

75.7

40.1

11.5

4.6

1.3

中砂

100

97.4

88.8

73.2

47.2

8.3

1.5

0.4

细砂

100

98.1

90.3

77.2

53

10.3

2.2

0.3