Table 2 Size-classes for sediment measurements at Belgrade on the Danube

From: Field measurements on alluvial watercourses in light of numerical modeling: case studies on the Danube River

Size- Passed through Did not pass Size-class
class sieve (mm) through sieve (mm) diameter (mm)
1 0.001 0.0005 0.00071
2 0.005 0.001 0.0022
3 0.01 0.005 0.0071
4 0.02 0.01 0.014
5 0.05 0.02 0.032
6 0.1 0.05 0.071
7 0.125 0.1 0.11
8 0.25 0.125 0.18
9 0.5 0.25 0.35
10 1.0 0.5 0.71
11 2.0 1.0 1.41
12 4.0 2.0 2.83
13 8.0 4.0 5.66
14 16.0 8.0 11.31
15 32.0 16.0 22.63