| Sieving on sieves | Screening on a grid | ||
| Granular class d/D (mm) | Mg (g) | Grids spacing (mm) | Passing Mei (g) |
| 31.5/40 | 20 | ||
| 25/31.5 | 16 | ||
| 20/25 | 12.5 | ||
| 16/20 | 10 | ||
| 12.5/16 | 8 | ||
| 10/12.5 | 58 | 6.3 | 19 |
| 8/10 | 230 | 5 | 46 |
| 6.3/8 | 726 | 4 | 167 |
| 5/6.3 | 541 | 3.15 | 50 |
| 4/5 | 800 | 2.5 | 170 |
| M = ΣMgi | 2355 | M = ΣMei | 452 |
| M0 | 2361 | ||
| A (%) | 19.19 |