The Free Online Aquaculture Dictionary

Anchors
 
Kedge type Anchors Sandbags and concrete blocks
 
Fixing Coefficient of kedge type anchors (including stockless, danforth, grapnel and mushroom types) at varying length to depth cable ratios

Length to depth ratio

Substrate

1

1.5

2

3

4

5

Sand

0.26

1.1

1.9

4.37

5.6

5.83

Sandy Mud

0.23

1.9

3.27

4.4

5.5

5.15

Mud

0.11

0.6

1.99

3.29

5.11

6.46

Mean (average)

0.2

1.2

2.39

4.02

5.31

5.81
 

Fixing coefficient of sandbag anchors or other deadweight block anchors at different length to depth ratio of cable
  Length to depth ratio

Substrate

1

2

3

4

5

Sand (vertical pull)

0.16

0.47

0.6

0.71

0.73

Sand (horizontal pull)

0.21

0.59

0.65

0.68

0.74

Sandy mud (vertical pull)

 

0.33

0.41

0.49

0.61

Sandy mud (horizontal pull)

 

0.31

0.31

0.43

0.62

Mud (Vertical pull)

0.05

0.13

0.2

0.23

0.30

Mud (Horizontal pull)

0.05

0.33

0.34

0.48

0.52