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Cirkelbroen is an architecturally significant pedestrian bridge in the heart of Copenhagen city centre, opened in summer 2015.
The bridge spans approximately 40 meters over the Christianshavn Canal to connect the Applebys Plads and Christiansbro District of the city, also assisting in creating a continuous walkway along the Copenhagen Harbour.
Cirkelbroen is a steel pedestrian bridge formed of five circular platforms that span the canal. The bridge is able to rotate approximately 90 degrees around the central platform, in order to grant boats access to the Christianshavn Canal. The rotating length of the bridge is approximately 25 m long.
Beneath the central platform, the existing bearing had become damaged due to the opening and closing of the bridge – mageba was contacted to develop a solution for replacement.
mageba was commissioned to develop a bespoke solution for replacement of the bearing beneath the central platform, at the pivot point.
Damage to the existing bearing appeared to be due to steel-on-steel contact at the interface of rotation.
This new RESTON®SPHERICAL type KF1.8 bearing would require a vertical sliding surface, around which the bridge could rotate.
mageba was able to develop a bespoke solution, incorporating a vertical ROBO®SLIDE ring, and re-produce to the outer dimensions of the original bearing one-to-one in order that exchange could be made using the existing hole pattern.
RESTON®SPHERICAL bearing type KF
Steel pedestrian bridge
City of Copenhagen
SH Group A/S