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词条 Tetrapod (structure)
释义

  1. History

  2. See also

  3. References

{{About|the structure|four-limbed vertebrates|Tetrapod}}Tetrapods are a type of structure in coastal engineering used to prevent erosion caused by weather and longshore drift, primarily to enforce coastal structures such as seawalls and breakwaters. Tetrapods are made of concrete, and use a tetrahedral shape to dissipate the force of incoming waves by allowing water to flow around rather than against them, and to reduce displacement by interlocking.[1][2]

History

Tetrapods were originally developed in 1950 by Pierre Danel and Paul Anglès d'Auriac of Laboratoire Dauphinois d'Hydraulique (now ARTELIA) in Grenoble, France, who received a patent for the design.[3] The name was derived from Greek, with tetra- meaning four and -pode meaning foot, a reference to the tetrahedral shape. Tetrapods were first used at the thermal power station in Roches Noires in Casablanca, Morocco, to protect the sea water intake.[4][5] Their success saw Tetrapods become popular across the world, particularly in Japan where their manufacture and dispersal still create jobs and contracts for construction companies. It is estimated that nearly 50 percent of Japan's {{convert|35000|km|sp=us}} coastline has been covered or somehow altered by Tetrapods and other forms of concrete. The proliferation of Tetrapods on the island of Okinawa, a popular vacation destination in Japan, has made it difficult for tourists to find unaltered beaches and shoreline, especially in the southern half of the island.[6]

The Tetrapod inspired many similar concrete structures for use in breakwaters, including the Modified Cube (United States, 1959), the Stabit (United Kingdom, 1961), the Akmon (The Netherlands, 1962), the Dolos (South Africa, 1963), the Stabilopod (Romania, 1969),[6] the Seabee (Australia, 1978), the Accropode (France, 1981), the Hollow Cube (Germany, 1991), the A-jack (United States, 1998), and the Xbloc (The Netherlands, 2001), among others. In Japan, the word tetrapod is often used as a generic name for wave-dissipating blocks including other types and shapes.[7]

See also

  • Artificial reef
  • Breakwater (structure)
  • Coastal management
  • Coastal erosion
  • Dolos
  • KOLOS
  • Ocean surface wave
  • Seawall
  • Xbloc

References

1. ^{{Cite web|url=http://www.brighthubengineering.com/geotechnical-engineering/42962-what-are-tetrapods/|title=What are Tetrapods? (Tetrapods Resist Wave Impact and Prevent Beach Erosion)|website=Brighthub Engineering|access-date=2017-08-02}}
2. ^{{Cite web|url=https://www.degruyter.com/downloadpdf/j/ijnaoe.2014.6.issue-4/ijnaoe-2013-0224/ijnaoe-2013-0224.pdf|title=Effects of vertical wall and tetrapod weights on wave overtopping in rubble mound breakwaters under irregular wave conditions|last=Park |display-authors=etal |first=Sang Kil|date=2014|website=|archive-url=|archive-date=|dead-url=|access-date=2 August 2014}}
3. ^Pierre Danel and Paul Anglès d'Auriac (1963) Improvements in or relating to artificial blocks for building structures exposed to the action of moving water [https://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=3&ND=3&adjacent=true&locale=en_EP&FT=D&date=19631231&CC=MY&NR=6300031A&KC=A#]
4. ^{{Cite journal|last=Danel|first=Pierre|date=1953|title=TETRAPODS|url=https://journals.tdl.org/icce/index.php/icce/article/view/1812|journal=Coastal Engineering Proceedings|language=en|volume=1|issue=4|pages=28|doi=10.9753/icce.v4.28|issn=2156-1028}}
5. ^{{Cite web|url=https://icce-ojs-tamu.tdl.org/icce/index.php/icce/article/viewFile/2276/1967|title=The Tetrapod|last=Danel|first=Pierre|date=1967|website=|archive-url=|archive-date=|dead-url=|access-date=2 August 2017}}
6. ^{{cite journal | last = Spătaru | first = A | authorlink = | title = Breakwaters for the Protection of Romanian Beaches | journal = Coastal Engineering | volume = | issue = 14 | pages = | publisher = Elsevier Science Publishers | location = | date = 1990 | url = | jstor = | issn = | doi = | id = | mr = | zbl = | jfm = | accessdate = }}
7. ^{{Cite news|url=http://www.japantimes.co.jp/life/2007/07/22/to-be-sorted/tetrapods/|title=TETRAPODS|last=Hesse|first=Stephen|date=2007-07-22|work=The Japan Times Online|access-date=2017-08-02|language=en-US|issn=0447-5763}}
  • {{cite book|last=Lagasse|first=P.F. |title=Countermeasures to protect bridge piers from scour|year=2007|publisher=Transportation Research Board|location=Washington, D.C.|isbn=0-309-09909-9|url=https://books.google.com/books?id=p_rwqGK9igEC&dq=tetrapod+concrete&source=gbs_navlinks_s}}
  • {{cite web|last=Hesse|first=Stephen|title=The Japan Times environment columnist|url=http://search.japantimes.co.jp/cgi-bin/fl20070722x1.html|work=Don't You Just Love 'Em ... Tetrapods |publisher=The Japan Times|accessdate=13 May 2011}}
  • {{cite book|last=Zimmerman|first=ed. by Claus|title=Environmentally friendly coastal protection : proceedings of the NATO Advanced Research Workshop on Environmentally Friendly Coastal Protection Structures, Varna, Bulgaria, 25-27 May 2004|year=2005|publisher=Springer|location=Dordrecht|isbn=978-1-4020-3299-8|url=https://books.google.com/books?id=djHjPj4hmcoC&dq=tetrapod+concrete&source=gbs_navlinks_s|edition=Online-Ausg.}}
  • {{cite web|last= Wijers-HasegawaHesse|first=Yumi|title=Tetrapodistas: Beauty beheld in huge concrete forms|url=http://search.japantimes.co.jp/cgi-bin/fl20070722x2.html |publisher=The Japan Times }}
  • {{cite web|last=Hesse|first=Stephen|title=Loving and Loathing Japan's Concrete Coasts, Where Tetrapods Reign |url=http://japanfocus.org/-Stephen-Hesse/2481 |publisher=The Asia-Pacific Journal: Japan Focus }}
{{commons category|Tetrapods}}{{coastal management}}

2 : Coastal engineering|Marine revetments

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