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