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Beijing National Aquatics Center

Beijing National Aquatics Center
Water Cube

The National Aquatics Center, with the Beijing National Stadium in the background

Building information
Full name: Beijing National Aquatics Center
City: Beijing, China
Capacity: 17,000
Built: 2004–2007
Opened: 2008
Construction cost: yuan ¥940 million
USD $ 140 million
EUR € 94 million
Architect(s): PTW Architects, CSCEC, CCDI, and Arup
Name Length Width Depth Lanes
Main pool 50m 25m 3m 10

The Beijing National Aquatics Center (simplified Chinese: 北京国家游泳中心; traditional Chinese: 北京國家游泳中心; pinyin: Běijīng guójiā yóuyǒng zhōngxīn), also officially known as the National Aquatics Center,[1] and colloquially known as the Water Cube (Chinese: 水立方), is an aquatics center that was built alongside Beijing National Stadium in the Olympic Green for the swimming competitions of the 2008 Summer Olympics. Despite its nickname, the building is not an actual cube, but a cuboid (a rectangular box). Ground was broken on December 24, 2003, and the Center was completed and handed over for use on January 28, 2008.[2] Swimmers at the Water Cube broke 25 world records during the 2008 Olympics.[3]

After the 2008 Olympics, the building underwent a 200 million Yuan revamp to turn half of its interior into a water park.[4] The building officially reopened on August 8, 2010.[5] It will host the curling events at the 2022 Winter Olympics.


  • Architecture 1
  • 2008 Olympics 2
  • Later use 3
  • 2022 Winter Olympics 4
  • Awards 5
  • See also 6
  • References 7
  • External links 8


In July 2003, the Water Cube design was chosen from 10 proposals in an international architectural competition for the aquatic center project.[6] The Water Cube was specially designed and built by a consortium made up of PTW Architects (an Australian architecture firm),[7] Arup international engineering group, CSCEC (China State Construction Engineering Corporation), and CCDI (China Construction Design International) of Shanghai.[8] The Water Cube's design was initiated by a team effort: the Chinese partners felt a square was more symbolic to Chinese culture and its relationship to the Bird's Nest stadium, while the Sydney based partners came up with the idea of covering the 'cube' with bubbles, symbolising water. Contextually the cube symbolises earth whilst the circle (represented by the stadium) represents heaven. Hence symbolically the water cube references Chinese symbolic architecture.

Comprising a steel space frame, it is the largest ETFE clad structure in the world with over 100,000 m² of ETFE pillows that are only 0.2 mm (1/125 of an inch) in total thickness.[9] The ETFE cladding allows more light and heat penetration than traditional glass, resulting in a 30% decrease in energy costs.[9]

The outer wall is based on the Kelvin.[11] Using the Weaire–Phelan geometry, the Water Cube's exterior cladding is made of 4,000 ETFE bubbles, some as large as 9.14 metres (30.0 ft) across, with seven different sizes for the roof and 15 for the walls.[12]

The structure had a capacity of 17,000[9] during the games that is being reduced to 7,000. It also has a total land surface of 65,000 square meters and will cover a total of 32,000 square metres (7.9 acres).[9] Although called the Water Cube, the aquatic center is really a rectangular box (cuboid) 178 metres (584 ft) square and 31 metres (102 ft) high.[12] The building's popularity has spawned many copycat structures throughout China.[13] For example, there is one-to-one copy of the facade near the ferry terminal in Macau – the Casino Oceanus by Paul Steelman.[14]

2008 Olympics

The Aquatics Center hosted the swimming, diving and synchronized swimming events during the Olympics. Water polo was originally planned to be hosted in the venue but was moved to the Ying Tung Natatorium.

Many people believed the Water Cube to be the fastest Olympic pool[15] in the world. It is 1.314 meters deeper than most Olympic pools. The London 2012 Aquatics Centre is the same depth, which leads many to believe the London pool is as fast as, if not faster than, the Beijing pool. Up to a certain limit, beyond which swimmers will lose their sense of vision, deeper pools allow the waves to dissipate to the bottom, leading to less water disturbance to the swimmers. The pool also has perforated gutters on both sides to absorb the waves.

The Aquatics Center saw 25 world records broken in the Beijing Olympics,[3] however, all the records broken were accomplished by athletes using the super-slick swimwear which have become banned at the beginning of the 2010 season by the International Swimming Federation (FINA).[16]

Later use

Video: The Beijing National Aquatics Center reopened on July 28, 2010.

After the Olympics, the Water Cube was opened to the public on select days of the week beginning in June 2009, and was also used as the site for a production of Swan Lake amongst other shows. On October 19, 2009, the Water Cube was closed to the public to begin a massive renovation of a portion of the complex into a water park.[17] The building reopened on August 8, 2010, marking the two-year anniversary of the beginning of the 2008 Summer Olympics. The redesigned facility contains numerous water rides and slides, a wave pool, and spa areas. The renovations were performed in order to bring renewed interest to the Olympic Green area as part of the games' legacy.[5]

2022 Winter Olympics

The Water Cube will be used for curling during the 2022 Winter Olympic Games.[18]


The special award for the most accomplished work in the section Atmosphere is awarded to the Australian architecture firm PTW Architects, CSCEC + Design and Arup for the project National Swimming Centre, Beijing Olympic Green, China. The project demonstrates in a stunning way, how the deliberate morphing of molecular science, architecture and phenomenology can create an airy and misty atmosphere for a personal experience of water leisure
— Quote from the Jury report of the Official Awards 9th International Architecture Exhibition – METAMORPH, Venice Biennale

See also


  1. ^ Official Olympics Site National Aquatics Center
  2. ^ National Aquatics Center Delivered for Use, Beijing 2008 Olympics Official Web Site, January 1, 2008,
  3. ^ a b Scott M. Reid (August 18, 2008). "25 world records broken at Beijing's Water Cube".  
  4. ^ "Cube becomes Park for Olympic Revival". 
  5. ^ a b Farrar, Lara. "Beijing's Water Cube now has slides, rides, a wave pool and spa". CNNGO. Archived from the original on August 19, 2010. Retrieved August 15, 2010. 
  6. ^ Arup East Asia. "The Water Cube, National Aquatics Centre, Beijing". Retrieved August 17, 2008. 
  7. ^ "Water Cube - National Swimming Centre". PTW Architects. Retrieved August 5, 2015. 
  8. ^ Welcome to WaterCube, the experiment that thinks it's a swimming pool by Peter Rogers in The Guardian, May 6, 2004
  9. ^ a b c d e (2006). "Best of What's New 2006 – Engineering". Popular Science 269 (6): 84–85. 
  10. ^ Beijing venues – National Aquatics Center, on BBC Sports.
  11. ^
  12. ^ a b Pearson, Clifford (July 2008). "Projects: National Swimming Center". Architectural Record (McGraw Hill) 196 (7). Archived from the original on August 13, 2008. Retrieved August 16, 2008. 
  13. ^ Barbara Demick. "Beijing's Water Cube Still Drawing Crowds". Los Angeles Times. Aug. 13, 2009.
  14. ^ www.oceanus.asiaCasino Oceanus – The Unofficial Casino Oceanus Website from
  15. ^ Berkes, Howard (August 10, 2008). "China's Olympic Swimming Pool: Redefining Fast". NPR. Retrieved August 5, 2015. 
  16. ^ Crouse, Karen (July 24, 2009). "Swimming Bans High-Tech Suits, Ending an Era". The New York Times. Retrieved August 5, 2015. 
  17. ^ "Water Cube will close for renovation from October 15". eBeijing, the Official Website of the Beijing Government. Retrieved August 5, 2015. 
  18. ^ Connolly, Eoin (July 31, 2015). "Beijing to host 2022 Winter Olympic Games". Sports Pro Media. Retrieved August 5, 2015. 
  19. ^ "PTW Projects:Watercube-National Swimming Centre". Retrieved December 6, 2006. (page in Flash presentation)
  20. ^ Lee, Ellen. "Water Cube scoops the pool at project management awards". Arup. Retrieved August 5, 2015. 

External links

  • Water Cube at
  • profile
  • Official website
  • Beijing Water Cube video
  • National Geographic Channel
  • Arup in Beijing
  • PTW Architects
  • Arup
  • chris bosse
  • laboratory for visionary architecture
  • National Aquatics Center (Water Cube)
  • Science News article describing the design of the building and the mathematics behind it
  • cscec
  • iconography
  • Vector Foiltec homepage
  • Beijing 2008 @ OOne
  • News and Project Information on the Watercube, Beijing
  • Conceptualising, planning and engineering the Water Cube
  • Gallery, architecture images
  • Consulting services performed by RWDI

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