Noise protection hangar, Zurich Airport
New noise protection hangar for turbine tests on aircraft with a max. wingspan of 68.5 metres
Regular turbine test runs are necessary to ensure airworthiness of aircraft following maintenance work. Noise protection hangars represent the most effective solution for such tests, hence a new such facility was erected on the grounds of Zurich Airport. The hangar is designed to accommodate aircraft up to the size of a Boeing 747-8 with a wingspan of 68.5 metres. Noise emissions are reduced from up to 156 dB next to the turbine to less than 60 dB at crucial areas outside the hangar. From the front, sufficient air enters through the large rib panels, whereby the noise is absorbed. The exhaust jet is redirected at a deflection wall.
The hangar is a steel structure with precast concrete and reinforced concrete components added to meet the relevant acoustic and structural requirements. With truss girders on the outside, a flat frame with wide spans functions as the load-bearing structure. Aircraft enter the hangar through movable acoustic gates.
|Flughafen Zürich AG
|suisseplan Ingenieure AG, GAC – German Airport Consult, LSB Ingenieurgesellschaft für Lärmschutz
|Length × width: 111 × 82 metres
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