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Sydney opera house construction11/9/2022 “But other suggestions all tended to destroy the basic sculptural quality and all our efforts were then directed towards solving the enormous problems which gradually emerged.” “When we were appointed as consulting engineers for the project shortly after he received the commission for the job, we told him the technical facts of life,” Arup went on. Utzon’s forms were “extravagant”, and membrane action - the internal tension from the shells’ thickness - was insufficient to sustain the arches against the forces to which they would be subjected. Sound engineering advice might have persuaded him not to pursue these proposals because of the obvious difficulties and the possibility that the assessors might take fright.” “The distinctive sculptural quality of the building with its roof structure, often likened to billowing sails, was an essential, if not the essential part of his first proposals. “This is possibly just as well,” reflected Arup civil engineer Jack Zunz, the project’s Principal Structural Designer, in a 1987 lecture at the Royal College of Art, London. It was also formally and structurally challenging when he submitted his competition entry, Utzon had not shown his drawings to an engineer to see if the concept could be created in reality. Utzon’s design was graceful and expressionist, its sails invoking the boats and cliffs of Sydney Harbour. Inspired by sailboats and swans and drawing on the settings of Mayan pyramids and a castle positioned on a Danish peninsula, Utzon’s sketches were chosen in a New South Wales Government-run contest seeking designs for a national opera house to be built at Bennelong Point. When Danish-British engineer Ove Arup was tasked with turning architect Jørn Utzon’s plans for a new Sydney Opera House into reality, he assigned 55 engineers to solving the tricky mathematical and technical problems involved. Architect Jørn Utzon’s famous design for the Sydney Opera House is recognised all over the world, but it took the ingenuity of dozens of engineers to bring it to life.
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