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Projects

Térénez Bridge, France

Térénez Bridge, Crozon, France - Using a combination of ACS self climbing technology and VARIO GT 24 girder wall formwork, a crane-independent and safe solution was developed.
Térénez Bridge, Crozon, France - The 515 m long cable-stayed bridge connects the Bretonic mainland in the northwest of France with the Crozon peninsula.
Térénez Bridge, Crozon, France - Due to the different inclinations of the pier shafts, the continuously adjustable ACS V climbing system was used.
Térénez Bridge, Crozon, France - The flexibility of the VARIO system allowed the construction crew site to accurately adapt the wall formwork to the continuously changing geometry.
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Project data

Location: Crozon, France

Pylons with unique geometry in the form of the Greek letter λ (Lambda).

Structure: cable-stayed bridge
Length: 515 m
Main span: 285 m
Height of the pylons: approx. 100 m

Requirements

  • continual changes to the pylon geometry
  • pier shafts with differing inclines, inclined at the pylon head by up to 20°
  • high French safety standard

Customer

Sogea Bretagne, Brest and
Dodin Campenon Bernard, Toulouse

Customer's benefit

  • smooth construction progress and perfect concrete results
  • compliance with high safety requirements
Antoine de Cambourg, Senior Site Manager
Antoine de Cambourg
Senior Site Manager

With the ACS and VARIO solution, it was possible for us to realise the changing forms of the architecturally challengingbridge pylons. PERI engineers also provided our construction site team with great support during the project.

PERI solution

  • crane-independent and safe thanks to ACS climbing system and VARIO GT 24 wall formwork
  • climbing formwork climbs in the radius of the pylon
  • with help of the ACS climbing device, all four pier sides could be climbed together at the same time without intermediate anchoring

PERI systems in use