Tetrapod, big and beauty breakwater in Japan

Hit the beach anywhere in Japan, and you are likely to see endless piles of tetrapods — enormous four-legged concrete structures intended to prevent coastal erosion. By some estimates, more than 50% of Japan’s 35,000-kilometer (22,000-mi) coastline has been altered with tetrapods and other forms of concrete. Critics, who blame the tetrapod invasion on decades of excessive government spending designed to bolster the construction industry, argue that in addition to posing a danger to swimmers, surfers and boaters, tetrapods actually accelerate beach erosion by disrupting the natural processes that shape the coastal environment. Meanwhile, others have developed an aesthetic appreciation of the tetrapod landscape, as evidenced by a host of stunning Japanese tetrapod photos on Flickr.
Read more about Tetrapod here :

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December 26th, 2009 at 11:16 am
I find the tetrapods an eyesore. They look terrible and they collect a ton of trash that no one ever cleans up. I live in Okinawa and an incredible amount of formerly beautiful coastline has been lost to tetrapods and other concrete atrocities. It’s not just the coastline that is being destroyed with concrete structures; pretty much the entire southern half of Okinawa is pure concrete with the occasional tree thrown in. It’s quite hypocritical that Japan is making a big deal over the proposed Henoko air field for the US military because of environmental concerns when the Japanese have no problems dumping concrete in to the ocean elsewhere with no regard to the environment where the US military is not involved.
March 17th, 2010 at 4:15 am
Hi,
We will have few projects locating at Maldives (quantities not sure yet)
Kindly quote for us the supply and delivery of tetrapod including:-
1) The cost of goods
2) Loose cargo charge
a) Ocean Freight
b) Ex-factory
c) Local Charges
3) Cost of Insurance including the goods and freight (if any)
4) Lead time of waiting for goods once confirm the order
5) Lead time of good delivery to Maldives
6) Payment terms (in 30 days, 60 or 90 days)
7) MSDS (Material Safety Data Sheet) – if any
Thanks,
Lorenza
For and On Behalf Of
OKH Holdings Pte Ltd
Email add: lorenza@okh.com.sg
March 17th, 2010 at 7:13 am
Hi Lorenza,
I’m so sorry to tell you that i cannot help you with this. This site just containing any information about precast product, and i am not a Precaster.
Maybe you can search it at google.
If i found a precaster that create tetrapod, i will give you information.