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  1. 5-Star Rated Sydney Opera House Tickets, Trips and Activities! Book Top Tours on Viator. Sydney Opera House Tours & Tickets are Selling Out Fast. Book Now to Avoid Disappointment

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  1. Each of the vaulted shells that makes up the roof of the Sydney Opera House is derived from spherical geometry. Here you can see some of the intersecting perimeter lines that demark the...

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  2. 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.

  3. Dec 19, 2019 · Shell games. The sails — or shells, as they were called — were to be built using pre-stressed concrete, a versatile but demanding material that would need great precision to work the way it was supposed to.

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  4. 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.

  5. 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.

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  6. The roof is made of 2,194 pre-cast concrete sections, which weigh up to 15 tonnes each. [16] Although the roof structures are commonly referred to as "shells" (as in this article), they are precast concrete panels supported by precast concrete ribs, not shells in a strictly structural sense. [17]

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  8. Feb 2, 2017 · The problem of the roof structure was finally resolved with the adoption of a ribbed shell system, with the shells having a uniform curvature based on a 75-metre radius sphere. This enabled repeated precast units, built in standard segments on site, to be used in their construction.

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