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| The lot 505 of the base tunnel Bodio started as a twin-tube section. At a length of 120 m it splits up into two separate tubes. The length of there tubes is 290 m each. |
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Type of building:
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Tunnel
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Method:
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cut and cover construction method
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Location:
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Switzerland
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Formwork system:
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Doka large-area formwork Top 50, Doka heavy-duty supporting system SL-1
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Duration of insert:
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22 months
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Purpose of the tunnel:
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railway
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Section:
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circular
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inside width:
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7,40 m
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inside height:
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7,40 m
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Formed tunnel length:
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twin-tube 120 m, two several tubes per 290 m
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Steps:
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64
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After 20 steps the twin-tube splits up. Only additional external formwork panels are placed.
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Mancini & Marti, Bellinzona
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Organisation in Country:
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Holzco-Doka Schalungstechnik AG
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Technical Manager:
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Mr. August Morf
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more on this topic |
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products in use |
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