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 Detailed designs


  • From draft to tender, preliminary studies of the project, company consultation files.
  • Optimising solutions and technical choices.
  • Detailed studies (new structures and to be reinforced).
  • Load bearing capacity studies.
  • Site fabrication studies.
  • Assistance during construction phase.

Technical characteristics:

  • Modeling with finite element methods.
  • Dynamic response analysis - movable convoy (software developer CONV-DYN).
  • Multi-modal seismic analysis.
  • Non-linear analysis - large displacements.
  • Buckled shells and panels.
  • Composite structure analysis (software developer MIX-BEAM).
  • Study of cyclic fatigue.
  • Framework construction (studies of assembly phase and launching).
  • AUTOCAD and specific applications (metal framework, formwork, reinforcement…). Drawings in 2D and 3D.

Areas of work:

  • Engineering structures (bridges over roads and railways, footbridges, movable bridges, marine or inland waterway structures, retaining walls, tunnels, protection against avalanches and rock falls…).
  • Hydraulic structures (water treatment plants, pumping stations, tanks…)
  • Industrial buildings.
  • Public buildings (railway stations, entertainment halls, sport stadiums, swimming pool complexes...).
  • Harbor facilities and equipment.
  • Mountain facilities and equipment.
  • Metal structures (signal equipment, pylons…).

Project profiles:

- 2nd Bridge on the Rhône at Valence (France)
- Water Treatment Plant in Valence - Extension and compliance with standards (France)
- Water treatment plant in Maurienne Galibier
- Paris - Austerlitz district - Widening of Avenue Mendès France - Blocks A03 and A04
- Paris - Austerliz district Enlargement of Avenue Mendès France Block A05 - Phase 1
- Paris La Defense - Restoration of the Tower PB12
- Florian Intersection - Construction of 3 covered sections
- Paris - Austerliz district - Enlargement Avenue Mendès France - Block A05 - Phase 2
- Crossing of the 6th bridge over the Seine at Rouen - The “Gustave Flaubert” bridge

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Slide show legend captions:

  • French motorway A50 - second bypass of Marseille - interchange of Florian (South France).
  • 3D formwork drawing.
  • Calculation with finite element methods of 3D shell.
  • Valence - second bridge over the Rhône (South-East France).
  • Gennevilliers Port - Bow-string bridge (near Paris).
  • Rouen - sixth bridge over the Seine - The "Gustave Flaubert" Bridge (North-West France).