Rock
catalog of natural
coastal protection
units
Year
n.a.
Inventor
n.a.
Country
n.a.
Company
n.a.
Stability number k
d
3 (breaking); 4 (non-breaking)
Preferred design formula
Van der Meer:
and
ξ
c
r
=
[
c
p
c
s
P
0.31
t
a
n
α
]
1
P
+
0.5
{\displaystyle \xi _{cr}=\left[{\frac {c_{p}}{c_{s}}}P^{0.31}{\sqrt {tan\alpha }}\right]^{\frac {1}{P+0.5}}}
Application
2 layer, random placement
Application range
large waves
Patent
n.a.
Trademark
n.a.
wikipedia pages
NL
-
link to projects
in the International Breakwater Directory
Commercial information:
This unit can freely be used