Alexander Ronn

Among the key concepts of the stadium is the functional and spatial separation of the different user
groups. This concept is realized, among other reasons, in light of the various safety zones the
stadium is to be divided into, thereby considering post-Olympic use. People reach their destination
on different levels. Athletes, press and VIPs enter the hall on ground level, while visitors reach the
hall on the first level of both gable-ends. So, there exist two different areas in which the ground
floor is connected to the basement, taking up the entirety of the room unities for athletes, press,
VIPs as well as the administration and two orbiting levels which reach the sports stands.

Nine massive steel-arch-segments structure and carry the nearly fully glazed hall. They get their
burden from further steel girders within the room. All parts of the roof and the glass walls are
separated from the interior carrying structures of the stands. A tension is created between the
curved shape of the roof and the contra-rotating sports stands. This tension becomes especially
clear in case of the glass walls on both ends of the main hall where the visitors get a first glimpse
of the arena.
The stadium copes with the exposed location and the special meaning for the Olympic-games by
giving the visitors the possibility to have a view over the extraordinary scenery of the port city
from any place within the arena. The visitor’s view focuses on the historic city-centre of Hamburg
through the window-like glass walls. The sun protectors outside the hall are the only closed
surfaces. They are mounted with a distance to the glass roof so that the view of the fully glazed
building is not ruined. In order to avoid overheating, all glass surfaces are made from sun
protection glass. A remarkable number of roof windows support the ventilation.

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