Test No.

Design amplitude (cm)

Actual amplitude (cm)

Design period (s)

Orbital velocity (cm/s)

Grain size

(φ)

Object motion

Scour depth

(cm)

1

12

8.033

2.0

11.24

2.345

No

2.8

2

12

8.836

2.0

11.86

2.305

No

2.8

3

15

11.152

2.0

13.21

2.323

Swing

3.1

4

17

12.500

2.0

13.96

2.938

Swing

3.6

5

18

12.761

2.0

13.98

2.736

Swing

4.0

6

20

13.571

2.0

15.44

2.548

Swing

5.0

7

20

15.047

2.0

17.80

2.286

Swing

5.3

8

20

10.604

1.5

14.65

3.116

Swing

2.9

9

18

10.369

1.0

11.59

2.583

No

2.6