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The Gallery | Stunning Beijing Winter Olympics bridge

Architectural firm Penda has revealed its designs for the San Shan Bridge across the Gui River. The bridge will be part of the infrastructure for the Winter Olympic Games 2022  in Beijing.

The design was inspired by the Olympic rings. Penda founding partner Chris Precht said: “‘Entering the rings on the way to the Olympic competitions, should be seen as an contextual icon for the Games.”

The structure consists of a 452m bridge deck and is divided in three sets of cross-connected arch-like steel structures with a maximum span of 95m. The deck is suspended from the structure by high-strength steel cables that cross weave to connect with the arches. The sequence of arches forms a self supporting prestressed double helix.

Precht said: “Similar than a structure of a rollercoaster, the form of the spatial arch is built from tubular stainless-steel struts and strong in lateral resistance through its connections. Each member of the arch is composed of five steel tubes that are connected by batten plates and carry the loads to its solid foundation platforms. Although each member of the arch is twisted, it is stabilised by the pre-tension of the cable from buckling under compressive loads.”

The bridge will use five times less steel than a conventional box girder bridge of equivalent size.

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