Vivien Darras

Geotechnical Engineer


42 years old

Seniority : 5 years, associate


  • Soil mechanics
  • Foundations – settlements
  • Reinforcement – underpinning
  • Railway Civil Engineering


Engineering degree – National School of Public Works (ENTPE)
Vaulx en velin

Professional background

Technical central service of the Ministry of Ecological and Solidarity Transition.
Geotechnical Engineer

Engineering Branch Department of Structures / Geotechnical Engineer
Design / monitoring of geotechnical works: ROSA PARKS railway station, Nice Saint Augustin railway bridge
Inspection and repair of existing structures: retaining wall, foundation
Soil investigation : design and monitoring of works : Charles de Gaulle Express project

Engineering Branch Department of Structures / Chief Geotechnical Engineer
Technical, financial and supervision management of geotechnical engineering missions (G2, G4 and G5) : connection works with the stations of the Grand Paris (Chelles, Sevran Livry, Vert de Maison, Ardoines)
Diagnosis and assessment of recent and existing railway structures
Member of the french standardization committee of geotechnical structures
Trainer (Pont formation Conseil) and Teaching (ESTP)

Key areas of expertise

Geotechnical Sciences – Foundations – Civil Engineering

  • Foundation underpinning
  • Foundation pathologies and repairs
  • Retaining structures pathologies and repairs
  • Impact of works on the environment (settling, raising, vibration)
  • Civil engineering in a railway environment: construction, design and  inspection of works of art
  • Injection soil treatments
  • Slope stability
  • reinforced earth works
  • Soil-structure interaction on former quarries or gypsum dissolution zones
  • Ground and water drilling, laboratory soil test
  • Paving and pavement shifting
  • construction of a work of art