Temse Bridge - 06.023
Program
Design and complete study of a bridge crossing the Scheldt (architecture and stability).
Concept
Monumental, massive and industrial. These words apply to the existing bridge connecting Temse and Bornem. It is a grey heavy steel structure built by Eiffel. The pile foundations of the new bridge will be next to the existing foundations. The spans vary, the largest is 74m. It is a mixed concrete-steel construction: the bridge deck is lightened by polystyrene blocks, and poses directly on two steel box girders. The suspension cables decharge the box girders, and allow for a extremely open structure. Because of the elegantly detailed finishes, the atypical molds for the abutments, and the subtle lighting scheme, the bridge will blend into its environment, and contrast with its neighbour.
Specific features
The bridge has one span of 56m consisting of 2 opening parts of 28m allowing for the passage of large ships. The mechanism of the bridge is unique. It is a novel concept in bridge design : a hydraulic piston is integrated as a stay for the mobile parts of the bridge. This is a world premiere. Activating the piston changes the length of the stay, and naturally opens or closes the bridge. When the bridge is closed, the hydraulic piston functions as a passive suspension cable. This new bridge typology is called "piston stayed bridge".
