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Dänemark

Cirkelbroen

Project description

Cirkelbroen is an architecturally significant pedestrian bridge in the heart of Copenhagen city centre, opened in summer 2015.

The bridge spans approximately 40 metres over the Christianshavn Canal to connect the Applebys Plads and Christiansbro districts 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 were contacted to develop a solution for replacement.

mageba scope

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.

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mageba RESTON®SPHERICAL bridge bearing after installation, alongside the bridge hydraulics

Refsheet-Cirkelbroen-3D-Render-spherical-bridge-bearing

Rotation caused during bridge opening is facilitated by the RESTON®SPHERICAL bearing

Key Data

Products:

RESTON®SPHERICAL bearing type KF

Feature:

Bearing replacement

Installation:

2021

City:

Copenhagen

Type:

Steel pedestrian bridge

Length:

40 m

Completion:

2015

Owner:

City of Copenhagen

Contractor:

SH Group A/S

Architect:

Olafur Eliasson