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Contractors World - INTERNATIONAL
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Contractors World INTERNATIONAL - 2016 Vol 7 No 6

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Award Winning Citadelle bridge between France and Germany

Award Winning Citadelle bridge between France and Germany

A team from architectural consultants, Egis, has won the “Grand Prix” award in the French National Engineering Awards 2016 for their design of the Citadelle Bridge in Strasbourg.

The structure is a metallic bridge with a through-arch supporting a curved suspended deck measuring 163 metres between abutment centres. While the blueprint adopted for the arch was a specific architectural intention, its shape is also a technical response to the exertions to which it is subjected.

The innovation in the bridge essentially lies in finding the perfect geometry from a perspective of balancing thrusts,

explains Jean-Bernard Nappi, an architect at Egis, in charge of the architectural design of the structure.

Prepared formwork units from LOGO.3 at the construction site ‘Extension East Tramline D’ were designed such that self-compacting concrete could flow into the formwork up to its fill height. 

Prepared formwork units from LOGO.3 at the construction site ‘Extension East Tramline D’ were designed such that self-compacting concrete could flow into the formwork up to its fill height.      

Due to the urban restrictions on both banks, the route curves considerably as it passes over the Vauban docks.

The placement of the arch, the width of the deck and the pattern of suspension cables offer sufficient gauge to allow the tramway and pavements to be created. They also result in a perfect balance of arch and deck thrusts.

continued >>>


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