The connection gallery at Súria Mine (Bages, Barcelona) connects the Mine of Cabanasas to the facilities where the material is treated. The gallery is 4700 m long and the maximum depth is 800 m.

The gallery cross section is elliptical, with 9 m wide and 5.5 m high at more than 500 m depth.

Among other questions, our contribution helped to verify the primary lining for the different types of geotechnical and geometric conditions.

PRO GEO underground design experience has helped our client in the following aspects:

  • Assessment of the primary lining design for a short and long term using 3D and 2D models.
  • Suggestions to improve the different types of the primary lining design.