Akmons protecting the runway at Wellington International Airport from Cook Strait.

An akmon is a multi-ton concrete block used for breakwater and seawall armouring.[1] It was originally designed in the Netherlands in the 1960s, as an improvement on the tetrapod.[2]

References

  1. ^ ANTHONY, JOHN (2 December 2011). "Concrete blocks shore up port defences". Taranaki Daily News. Retrieved 27 March 2017.
  2. ^ "Development of Concrete Breakwater Armour Units" Archived 2008-10-03 at the Wayback Machine, Canadian Society for Civil Engineering, 2003.

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