In addition to the 10 m long SL-1 tunnel formwork carriage, Doka also designed and pre-assembled formworks for the end walls and stairwells (Frami), the kicker formwork and special formworks using roof trusses (shown on the right of the image) for the branching system. Copyright: DokaThe Large Hadron Collider (LHC) at CERN is the biggest particle accelerator in the world – and growing. To equip the LHC for new, more ambitious experiments in the next decade, the accelerator is currently being upgraded. Doka developed three different formwork carriages and numerous special formworks to help build the tunnel system required for the upgrade.The teams are hard at work in Meyrin (CH) and Cessy (FR). The extensive renovations will equip CERN’s particle accelerator to continue to help decode the mysteries of the universe in the coming decade. More than 500 m of tunnels and various facilities on the surface are planned for the electrical and cryogenic plants at the two sites. Around 100,000 m3 of rock has been excavated for the new service tunnels, located a mere 10 m above the existing LHC tunnel. They are being linked to the LHC with two access points each and a number of drilled cores (for utility cables).
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