筛孔尺寸mm

各种料通过百分率%

混合料通过百分率%

规范要求

%

1#

2#

3#

1#×35%

2# × 25%

3# × 40%

31.5

100.0

100.0

100.0

35.0

25.0

40.0

100

90 - 100

19

38.0

100.0

100.0

13.3

25.0

40.0

78.3

73 - 88

9.5

2.8

37.8

100.0

1.0

9.5

40.0

50.5

49 - 69

4.75

2.0

7.0

95.0

0.7

1.8

38.0

40.5

29 - 54

2.36

2.0

4.6

64.8

0.7

1.2

25.9

27.8

17 - 37

0.6

2.0

4.1

25.4

0.7

1.0

10.2

11.9

8 - 20

0.075

2.0

4.1

7.6

0.7

1.0

3.0

4.7

0 - 7