Mullion and transom curtain wall (stainless steel and glass)
BMW WELT
Josef Gartner
Architect and General Planning: COOP Himmelb(l)au Wolf D. Prix / W. Dreibholz & Partner ZT GmbH, Wien
BMW-Welt, a futuristic delivery and experience centre, is built at the location of the BMW-headquarters in Munich, between the BMW highrise building and the Olympic ground. The daring construction, approximate sizes: 180 m long, up to 130 m wide and 28 m high, is situated on an area of approximately 25,000 m2. One of the most impressive components of BMW Welt is the double cone. This architectural masterpiece made of steel and glass supports the 16,000 m2 cloud-shaped roof construction and gives it a floating appearance.
The double cone is one of the main supporting structures of BMW Welt. The lower diameter is approximately 35 m. The construction tapers towards the throat in a height of approx. 12 m to a diameter of approx. 18 m and extends again to a diameter of approx. 44 m towards the top, where it ends in a continuous ring-shaped support before it connects to the standard roof construction. The area comprises approximately 2,839 m2. The construction consists of triangular units, following the geometry required by the Architects. The side length of the glass units is approx. 5.5 m.
Glazing: external shell of the double cone partly made of glass - lower part 8 mm toughened safety glass with ipasol neutral 52/29, 16 mm cavity, 2 x 6 mm heat strengthened glass in Optiwhite with black screen printing on the edges; upper part - analogous the lower one - laminated glass according to the recommendations for external overhead glazing.
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