RECONSTRUCTION WORK ON THE VIVES-EAUX DAM

Démolition du barrage existant et création d’un bâtiment de contrôle sur le cours de la Seine.

• Project owner: VNF
• Project manager: ARTELIA Eaux et Environnement
• Architect: WEIZMANN
• Methods design office: DEMATHIEU BARD Technical Department
• Structural design office: ISC (VINCI)
• Contracting consortium: EMCC, GTM, DEMATHIEU BARD CONSTRUCTION, ROUBY, DUCROQ
• Duration of work: 41 months

CONSTRUCTION METHOD

• • Drawdown using well points
• • Creation of immersed concrete structures (colloidal concrete)
• • Complex miscellaneous casing work on pontoons
• • Creation of casings on piers supporting river flap gates
• • Handling and assembly of flap gates
• • Handling of heavy precast river structures, footbridge piers (30 metric tons)
• • Creation of a fishway with resting pools and downstream passage for eels
• • Creation of maintenance structures for upstream and downstream cofferdams for the temporary closure of the various gate systems (dam and fishway) for maintenance

TECHNICAL CHARACTERISTICS

• • Immersed concrete structures
• • Use of divers for underwater civil engineering work
• • Concreting using a stationary pump and concrete placing boom
• • Reinforcement works using DYWI drill bars (hydrostatic pressure relief of raft)