Architecture
Resembling a giant rib cage around the building, 86 large pre-stressed, pre-fabricated concrete curved columns form the main façade, connected by a semi-translucent polycarbonate envelope that allows for various light effects. It’s one of the landmarks of Zagreb already, along with the cathedral.
Developing spatial and functional characteristics to enable maximum flexibility of the venue was vital during the schematic design stage. The telescopic system of 4,500 seats was a critical element in allowing different configurations and quick turnaround between events. The singular vision also led to provision of spacious facilities for athletes, other performers and event managers, a concept for simple and fluid visitor circulation, a mix of catering facilities and designing in smaller, mutually independent zones that could all be used at the same time. Getting the acoustics right was important too. The steel roof structure had sufficient bearing capacity to enable the suspension of additional stage equipment. The roof structure is close to the structure of a suspension bridge, which is an uncommon approach (in arena design) anywhere in the world. The roof ’s bearing structure is only 45 cm high, over a span of 110 m, because it is suspended from the upper side of the roof outside and can not be seen from the interior. This solution was made feasible by contemporary cable production technology – the span is suspended on cables that have a diameter of just 66 mm. Each cable can carry 400 tons. The capacity of the hall is 15,022 seats and 22,000 for concerts.
Arena Zagreb won the Structural Design of the Year award at the 2009 World Architecture Festival., and Grand spectacle award at Global BBR 2010
Read more about this topic: Arena Zagreb
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