Gallery of recognition - Tunnel Concise

Concise - Autoroute A5 Yverdon/Neuchâtel - Switzerland

Client

Public Works Department of the Canton of Vaud, service roads and highways

Assignment

Preliminary design and detailed design - bid - implementation project - construction management and records of work for lots Civil Engineering, Electrical & Ventilation

Description

These works are at the boundary between two very different mass, the first formed by the foothills of the Jura limestone (Portlandian from the Valanginian and Hauterivian Urgonian and the second consists of glaciofluvial deposits which runs a water table. the gallery has two locating karst very important (25 and 45 cm in length) on the route of the project.

Gallery of recognition:

  • Length: 1'109 m
  • Open Tunnelier 3.80 m diameter,
  • Retaining depending on the quality of the land (nails, shotcrete, hangers)
  • Marinating and materials brought by train.