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- Between 1958 and 1962, the roof design used parabolic, ellipsoid and finally spherical geometry to derive the final form of the 14 shells. Utzon's original plans had to be changed to spherical geometry to be built. Photo: Fairfax Archive
www.smh.com.au/interactive/2023/sydney-opera-house-50-years/
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The eventual realisation that the form of the Sydney Opera House's shells could be derived from the surface of a sphere marked a milestone in 20th century architecture. To work out how to build the shells, the engineers at Arup & Partners needed to express the shell shapes mathematically.
The iconic sculptural form of the Sydney Opera House essentially relies on the form of these shells, so the importance of finding the best solution to the roof cannot be underestimated. As one...
The Opera House was built in four stages: stage I (1957–1959) was planning out the building; stage II (1959–1963) consisted of building the upper podium; stage III (1963–1967) the construction of the outer shells, based upon the image of whales breaching the water; stage IV (1967–1973) interior design and construction.
Oct 27, 2024 · Sydney Opera House, opera house located on Port Jackson (Sydney Harbour), New South Wales, Australia. Its unique use of a series of gleaming white sail-shaped shells as its roof structure makes it one of the most-photographed buildings in the world. Learn more about its history and its uses.
Dec 19, 2019 · The answer was a sphere. The shells would be triangles cut from sections of a single sphere, with the meridian lines of the sphere coming together to form “ribs”. The four ‘triangular’ segments of the model can be arranged into the now iconic form of the Sydney Opera House.
Oct 19, 2023 · Photo: Dylan Coker. The space between the two giant shells is jokingly referred to as the “cleavage” and boasts one of the best views of Sydney Harbour. More than 10,000 people from over 90 different countries helped create the magnificent white sails. From the day building started in 1959, Sydneysiders watched it take shape.
May 7, 2023 · The Opera House is made up of three main structures: a foundation, the shells forming its roof and the indoor performance venues. Tombesi combed through the approximately 20 Opera House monographs that currently exist but didn’t find any shop drawings – only architectural sketches.
