4th River Danube Bridge Linz Design Competition
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Motorway bridge, pedestrian and cyclist bridge
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Project partners:
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Leonhardt, Andrä & Partner GmbH, Stuttgart
Zaha Hadid Architects Ltd., London
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Volume:
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Preliminary design, photorealistic image, preliminary structural
design, estimate of costs
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Design period:
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2003
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Location:
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A26 Westring Linz, Upper Austria
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Country:
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Austria
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Public offerer of reward:
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ÖSAG,
Amt der OÖ Landesregierung
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Spans:
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37,00 + 235,00 + 40,00m
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Total width:
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312,00m
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Total width motorway bridge:
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21,50 + 19,90 = 41,40m
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Total width pedestrian and cyclist bridge:
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3,90m
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Alignment:
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Straight superstructure
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Superstructure motorway:
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Two separated superstructures. Suspension bridge with pylons only
on one side. At the other side anchorage of the cables directly
in a wall of rock. Variably inclined, crossed hangers. Hollow box
cross section, composite structure.
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Superstructure pedestrian and cyclist bridge:
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Steel hollow box suspended from the main bridge.
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Foundation:
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Replacement type piles Ø 150 cm, spread foundation
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Construction:
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Sections of superstructure are transported by ship, suspended from
the cables and connected. Pouring of the deck with movable formwork.
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Special features:
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The target of the design has been the creation of a slim bridge
which little affects the Danube valley but underlines the character
of the landscape. The basic idea of anchoring both ends of the cables
in the slopes was dropped for nature protection reasons. The sculptural
shaped A-Pylon should be a symbol for the dynamic development of
Linz.
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Award:
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2nd prize at the design competition
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