This calculation is applicable to design armour units between 0.75m
3
and 20m
3
Input
Design wave height
H
s
[m]
Concrete density
r
concrete
[kg/m
3
]
Water density
r
water
[kg/m
3
]
Position on breakwater
trunk
head
Disclaimer: This software is for preliminary estimation purposes only. In no event shall we be liable for any loss, expence or damage, of any type or nature arising out of the use of, or inability to use this software or program.
This calculator is powered by Javascript if not installed please click on Java logo to download
Output
Armour layer
Required armour unit volume
V
[m
3
]
Standard size:
Armour unit volume
V
[m
3
]
Armour unit height
D
[m]
Armour unit weight
W
[t]
Thickness armour layer
h
[m]
Packing density
[units/100m
2
]
Advised placement grid
D
x
[m]
D
y
[m]
Concrete volume per m
2
[m
3
/m
2
]
Porosity armour layer
[%]
Under layer
Standard rock grading for under layer
[t]
Thickness of under layer
f
[m]