A diagrid (a portmanteau of diagonal grid) is a framework of diagonally intersecting metal, concrete, or wooden beams that is used in the construction of buildings and roofs.[1] It requires less structural steel than a conventional steel frame. Hearst Tower in New York City, designed by Norman Foster, uses 21 percent less steel than a standard design.[2] The diagrid obviates the need for columns and can be used to make large column-free expanses of roofing.[3] Another iconic building designed by Foster, 30 St Mary Axe, in London, UK, known as "The Gherkin", also uses the diagrid system.
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British architect Ian Ritchie wrote in 2012:
The origin of 'diagonal' structures is surely the Russian genius Vladimir Shukhov. He pioneered new analytical methods in many different fields, and I have been fortunate to visit some of his constructed projects more than once. Shukhov left a lasting legacy to early Soviet Russia constructivism, and as the leading engineer and mathematician during the late 19th and early 20th century he created hyperboloid, thin shell and tensile structures of extraordinary refinement and elegance.[4]
Buildings utilizing diagrid
edit- Shukhov Tower in Polibino, Polibino, Russia (1896)
- Shukhov Rotunda at the All-Russia exhibition, Nizhny Novgorod, Russia (1896)
- Shukhov Tower, Moscow, Russia
- Hearst Tower, New York, USA
- 30 St Mary Axe, London, England
- 1 The Avenue, Manchester, England
- CCTV Headquarters, Beijing, China
- The Bow, Calgary, Canada
- Seattle Central Library, Seattle, USA
- Capital Gate, Abu Dhabi, United Arab Emirates
- Aldar headquarters, Abu Dhabi, United Arab Emirates
- Guangzhou International Finance Center, Guangzhou, China
- Queen Elizabeth II Great Court at the British Museum, London, England
- Nagoya Dome, Nagoya, Japan
- Westhafen Tower, Frankfurt, Germany
- Merdeka 118, Kuala Lumpur, Malaysia
- MyZeil, Frankfurt, Germany
- The Crystal, Copenhagen, Denmark
- United Steelworkers Building, Pittsburgh, USA
- Tornado Tower, Doha, Qatar
- Newfoundland Quay, London, England
- Lotte World Tower, Seoul, Republic of Korea
- Atrio Towers, Bogotá, Colombia
- King's Cross Station, London, England
See also
editReferences
edit- ^ Ian Volner (5 October 2011). "Dissecting Diagrid". Architect. American Institute of Architects. Archived from the original on 19 November 2011.
- ^ David W. Dunlap (7 October 2004). "Hearst Tower Echoes Trade Center Plan". The New York Times. Retrieved 1 December 2015.
- ^ Terri Meyer Boake (23 January 2014). Diagrid Structures: Systems, Connections, Details. Birkhäuser. pp. 13–. ISBN 978-3-03821-482-3.
- ^ Ian Ritchie (13 March 2012). "Diagonal Structures, Diagrid Structure". e-architect. Retrieved 1 December 2015.
Bibliography
edit- Design and construction of steel diagrid structures by K. Moon, School of Architecture, Yale University
- The diagrid system of Hearst Tower by the Steel Institute of New York