From: Experimental analysis and numerical simulation of bed elevation change in mountain rivers
Fraction | Material diameter (mm) | dim (mm) | di (mm) |
---|---|---|---|
No.1 | <0.01 | 0.005 | 0.005 |
No.2 | 0.125–0.5 | 0.31 | 0.3 |
No.3 | 0.5–2.0 | 1.25 | 1.25 |
No.4 | 2.0–8.0 | 5.0 | 5.0 |
No.5 | 8.0–16 | 12.0 | 10.0 |
No.6 | 16–32 | 24.0 | 25.0 |
No.7 | 32–64 | 48.0 | 50.0 |
No.8 | 64–128 | 95.0 | 100.0 |
No.9 | 128–265 | 196 | 150.0 |
No.10 | >265 | 250 | 250.0 |