Table 1 Experimental conditions summary.
From: Effect of ice cover roughness on local scour around bridge piers
Number | Ice cover roughness (ni) | Approaching flow velocity (U, m/s) | Approaching flow depth (H, m) | Flow Froude number (Fr) | Pier diameter (D, cm) | Median grain sizes (d50, mm) |
|---|---|---|---|---|---|---|
1 | Open flow | 0.18 | 0.15 | 0.148 | 4 | 0.71 |
2 | 0.22 | 0.15 | 0.181 | 4 | 0.71 | |
3 | 0.22 | 0.20 | 0.157 | 4 | 0.71 | |
4 | 0.22 | 0.10 | 0.222 | 4 | 0.71 | |
5 | 0.26 | 0.15 | 0.214 | 4 | 0.71 | |
6 | 0.18 | 0.15 | 0.148 | 3 | 0.71 | |
7 | 0.22 | 0.15 | 0.181 | 3 | 0.71 | |
8 | 0.26 | 0.15 | 0.214 | 3 | 0.71 | |
9 | 0.18 | 0.15 | 0.148 | 3 | 0.44 | |
10 | 0.22 | 0.15 | 0.181 | 3 | 0.44 | |
11 | 0.26 | 0.15 | 0.214 | 3 | 0.44 | |
12 | Smooth ice-covered flow | 0.18 | 0.15 | 0.148 | 4 | 0.71 |
13 | 0.22 | 0.15 | 0.181 | 4 | 0.71 | |
14 | 0.22 | 0.20 | 0.157 | 4 | 0.71 | |
15 | 0.22 | 0.10 | 0.222 | 4 | 0.71 | |
16 | 0.26 | 0.10 | 0.263 | 2 | 0.71 | |
17 | 0.26 | 0.15 | 0.214 | 4 | 0.71 | |
18 | 0.18 | 0.15 | 0.148 | 3 | 0.71 | |
19 | 0.22 | 0.15 | 0.181 | 3 | 0.71 | |
20 | 0.26 | 0.15 | 0.214 | 3 | 0.71 | |
21 | 0.18 | 0.15 | 0.148 | 3 | 0.44 | |
22 | 0.22 | 0.15 | 0.181 | 3 | 0.44 | |
23 | 0.26 | 0.15 | 0.214 | 3 | 0.44 | |
24 | Rough ice-covered flow | 0.18 | 0.15 | 0.148 | 4 | 0.71 |
25 | 0.22 | 0.15 | 0.181 | 4 | 0.71 | |
26 | 0.26 | 0.15 | 0.214 | 4 | 0.71 | |
27 | 0.18 | 0.15 | 0.148 | 3 | 0.71 | |
28 | 0.22 | 0.15 | 0.181 | 3 | 0.71 | |
29 | 0.26 | 0.15 | 0.214 | 3 | 0.71 |