Wave-dissipating concrete block

Shoreline defense

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A wave-dissipating concrete block is a naturally or manually interlocking concrete structure designed and employed to minimize the effects of wave action upon shores and shoreline structures, such as quays and jetties.

Tetrapods used to protect a seawall

Large interlocked Xblocs (8.0 m³ or 280 cu ft) in a trial placement

One of the earliest designs is the Tetrapod, invented in 1950. Other proprietary designs include the Modified Cube (United States, 1959), the Stabit (United Kingdom, 1961), the Akmon (The Netherlands, 1962), the Dolos (South Africa, 1963), the Stabilopod [ro] (Romania, 1969),^[1] the Seabee (Australia, 1978), the Accropode (France, 1981), the Hollow Cube (Germany, 1991), the A-jack (United States, 1998), the Xbloc (The Netherlands, 2001) and KOLOS (India, 2010) among others.

See also

Artificial reef
Breakwater (structure)
- Breakwater (structure)#Breakwater armour units
Coastal management – Preventing flooding and erosion of shorelines
Coastal erosion – Displacement of land along the coastline
Ocean surface wave
Riprap – Rock or concrete protective armour
Seawall

References

^ Spătaru, A (1990). "Breakwaters for the Protection of Romanian Beaches". Coastal Engineering. 14 (2). Elsevier Science Publishers: 129–146. doi:10.1016/0378-3839(90)90014-N.

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