La Plata, in Buenos Aires, Argentina, is a 53,000-seat capacity stadium
originally opened in 2003, formed from the intersection of two 85 m circles, with 48 m between their two centers.
Designed by architect Roberto Ferreira, the stadium is receiving a 312,545 square-foot tensile roof featuring Birdair’s steel cable systems and PTFE, a Teflon®-coated woven fiberglass membrane. Around the perimeter is the octet steel tube compression ring consisting of 45 octahedron/tetrahedron modules, forming a load bearing ring that will support the roof.
The top chords of this ring are the starting line for a dome formed by a triangulated cable network. The network features tensioned steel cable hoops at three different levels, together with vertical columns, diagonal cables, and ridge cables, thus deploying a pre-stressed tensegrity design. True to its tensegrity deployment, PTFE panels will be added as cladding, and will not play a supporting function (as they do in the Bird's Nest Stadium, Beijing); instead, the panels will be cabled tight within the tensegrity structure, pulled stiff in the same way that a drum head is tautened.
As the site develops, please post details to the wiki, here: http://tensegrity.wikispaces.com/La+Plata+Stadium
Thanks to Nacho_7 for bringing this to our attention. His original post here: http://www.skyscrapercity.com/showthread.php?p=63518865
Links:
Birdair, http://www.birdair.com
Official stadium website in Spanish, http://www.estadiolp.gba.gov.ar/
Pages on the roof at that website, http://www.estadiolp.gba.gov.ar/index.php/component/content/article/13-foto-central/84-el-techo-del-estadio-ciudad-de-la-plata
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