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In the course of the Vienna International Airport expansion an already existing railway tunnel which undercrosses the airport runways had to be strengthened.
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Type of building:
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Tunnel
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Method:
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Top cover construction method
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Location:
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Vienna, Austria
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Formwork system:
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Doka heavy-duty supporting system SL-1
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Doka framed formwork Framax Xlife
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Doka large-area formwork Top 50
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Duration of insert:
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9 months
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Purpose of the tunnel:
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Railway tunnel
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Section:
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rectangular
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inside width:
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5.50 m
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inside height:
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6.90 m
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Formed tunnel length:
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730 m
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Steps:
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87
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For reasons of fire protection the railway tunnel had to be strengthened between the existing sheet pilings. Therefore a 45 cm thick fibre reinforced wall facing with integreated slab brackets were casted. This measure ensures the construction´s static resistance in case of fire.
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Porr Technobau und Umwelt AG
Kontakt: Mr. Dipl.-Ing. Harald Metzinger, Mr. Ing. Georg Pleva
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Organisation in Country:
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Österreichische Doka, Niederlassung Wien
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Project Manager:
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Mr. Thorsten Kirchweger
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