Table 6 Test results and calculated values of R (%).

From: Characteristics and mechanism of local scour reduction around spur dike using the collar in clear water

Test No

Factor

Maximum scour depth around the spur dike (cm)

R (%)

LC/L

LK/L

γ

1

0.2

0.25

0.1

3.0

48.1

2

0.2

0.35

0.2

3.0

47.8

3

0.2

0.45

0.3

3.2

44.8

4

0.2

0.55

0.4

3.3

43.1

5

0.2

0.65

0.6

3.4

41.4

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