级配名称

筛孔尺寸(mm)

26.5

19

16

13.2

9.5

4.75

2.36

1.18

0.6

0.3

0.15

0.075

确定级配

100

93.8

83.6

70.3

60.9

39.8

27.6

20.4

12.6

8.2

6.3

100

规范级配上限

100.0

100.0

92.0

80.0

72.0

56.0

44.0

33.0

24.0

17.0

13.0

7.0

规范级配下限

100.0

90.0

78.0

62.0

50.0

26.0

16.0

12.0

8.0

5.0

4.0

3.0

规范级配中值

100.0

95.0

85.0

71.0

61.0

41.0

30.0

22.5

16.0

11.0

8.5

5.0