Sydney Opera House in Sydney is one of the most famous buildings of the twentieth century and a landmark representation of particular lyric arts. Its original architecture – sailboat for some, shell for others – was designed by the Danish Jørn Utzon. Located in Sydney Harbour is surrounded by a wooded park in the south and is close to the Harbour Bridge. The resulting landscape has also become a symbol of Australia, and Sydney in particular. The opera is now a major tourist attraction of the city that most visitors do not have the opportunity to attend a performance. Head of Opera Australia, the Sydney Theatre Company and the Sydney Symphony Orchestra, Opera also hosts many foreign artistic touring productions. It is administered by the Opera House Trust, governed by the Department of Arts of New South Wales structure.
The Opera House (183 meters long and 120 meters at its widest point) has an area of 1.8 hectare2. It is supported by 580 concrete piers that sink up to 25 meters below sea level Its equivalent electrical needs and those of a city of 25 000. The power is distributed by 645 kilometers of electrical cables.
This is the shape of the Opera House is particularly originality and reputation. It is organized into two main sets of three “shells” which partially overlap each other (see photo right). The “ribs”, supports shells, could all be from a single sphere. This has enabled the use of symmetrical structures to give them their maintenance, and also explains the perfect reproducibility of tiles, all designed identically.
The roof is composed of 1,056,006 ceramic tiles blanche3 inspired bowls marked with Jørn Utzon in Japan. These tiles were produced by the company Höganäs, Sweden after three years of trials to achieve the result voulu4. Despite their self-cleaning nature, they are subject to periodic maintenance and replacement.
The interior, meanwhile, is provided by the pink granite quarried in Tarana (New South Wales).