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| The extradosed bridge Ptuj over the river Drau (Drava) is 430m long, has a width of 18,70m a height of 2,70m, and max. spans of 100m. The demanding superstructure is made with 2 pairs of Wito form travellers and with Doka - large area formwork Top50, starting from the hammerhead in both direction with casting steps of 5m. The bridge has a radius of 460m. |
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Bridge type:
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Extradosed Bridge
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Location:
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Ptuj (Slowenien)
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Total construction time:
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2006
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An extradosed bridge is a combination of a cable-stayed bridge and a post-tensioned girder bridge. Typical for this bridge typs are the lower pylons, and there fore are the low-angled cable-stays. The blisters for the stay-cables' anchorage, lie outside the webs.
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Total length of bridge:
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430 m
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Number of spans:
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5
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Span maximum:
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100 m
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Piers:
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4 Piers
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Construction method:
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Free-balanced cantilever construction method
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Cross section:
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Single box cross section with inclined webs
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Design by Doka Slovenia. Free balanced cantilevering expertise centre gave support to the site.
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Abutment with Doka - framed formwork Framax.
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Back - span, pier and pylon with Doka - large area formwork Top50.
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Doka products used to erect the hammerhead:
- Doka - supporting construction frame universal F
- Doka - load bearing tower Staxo
- Doka - large area formwork Top50
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Porr d.o.o. Maribor (Slovenia)
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Commercial:
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Miro Kelbl
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Technical Slovenia:
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Ivan Zajc
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More on this topic |
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