Table 2 The maximum local scour depth and R (%) of each test.
Test no. | Factor | Maximum local scour depth around the spur dike (cm) | R (%) | ||
|---|---|---|---|---|---|
LC/L | LK/L | γ | |||
1 | 0 | 0.2 | 0 | 4.3 | 25.9 |
2 | 0 | 0.3 | 0.5 | 3.8 | 34.5 |
3 | 0 | 0.4 | 0.25 | 3.6 | 37.9 |
4 | 0 | 0.5 | 0.25 | 3.4 | 41.4 |
5 | 0 | 0.6 | 0.7 | 3.7 | 36.2 |
6 | 0.2 | 0.2 | 0.25 | 3.5 | 39.7 |
7 | 0.2 | 0.3 | 0.25 | 3.3 | 43.1 |
8 | 0.2 | 0.4 | 0.7 | 3.5 | 39.7 |
9 | 0.2 | 0.5 | 0 | 3.1 | 46.6 |
10 | 0.2 | 0.6 | 0.5 | 3.3 | 43.1 |
11 | 0.4 | 0.2 | 0.7 | 4.1 | 29.3 |
12 | 0.4 | 0.3 | 0 | 2.7 | 53.4 |
13 | 0.4 | 0.4 | 0.5 | 3.6 | 37.9 |
14 | 0.4 | 0.5 | 0.25 | 3.2 | 44.8 |
15 | 0.4 | 0.6 | 0.25 | 3.2 | 44.8 |
16 | 0.6 | 0.2 | 0.5 | 3.9 | 32.8 |
17 | 0.6 | 0.3 | 0.25 | 3.5 | 39.7 |
18 | 0.6 | 0.4 | 0.25 | 3.2 | 44.8 |
19 | 0.6 | 0.5 | 0.7 | 3.6 | 37.9 |
20 | 0.6 | 0.6 | 0 | 2.9 | 50 |
21 | 0.8 | 0.2 | 0.25 | 3.5 | 39.7 |
22 | 0.8 | 0.3 | 0.7 | 4.1 | 29.3 |
23 | 0.8 | 0.4 | 0 | 3.2 | 44.8 |
24 | 0.8 | 0.5 | 0.5 | 3.4 | 41.4 |
25 | 0.8 | 0.6 | 0.25 | 3.3 | 43.1 |
26 | Without collar | 5.8 | – | ||
