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For the U2/2 Taborstrasse Vienna metro extension, 2 station tubes were constructed using mining-type tunnel formwork consisting of pre-assembled Top 50 elements and a falsework construction made from the Heavy-duty supporting system SL-1. In each of the 110 m long tubes, typical blocks of 10 m in length had to be formed.
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Type of building:
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tunnel
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Method:
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Mining 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
Doka large-area formwork Top 50
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Duration of insert:
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6 months
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Purpose of the tunnel:
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underground
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Section:
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circular
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inside width (m):
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8.40 m
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inside height (m):
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7.70 m
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Formed tunnel length:
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222 m
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Steps:
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24
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To permit the travelling tunnel-formwork unit S1-S24 to be travelled from one main tube to the next, it was designed so that it could be separated into two halves. The travelling tunnel-formwork unit was wheeled through the interconnecting tunnel and rebuilt there ready for forming further blocks.
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ARGE U2/2 - Hinteregger, Östu-Stettin, W&F
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Organisation in Country:
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Österreichische Doka
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Department Amstetten:
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DOKA Engineering Department
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Project Manager:
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Mr. Markus Stastny
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