Underground Civil Works
Tunnel Drilling and Blasting. AVE Madrid – Galicia. Section: Prado Tunnel Right Track
Client: Vias – Grupo ACS
High Speed Railway line Madrid-Galicia, tunnel of Prado, Right tube: rebuilding of 28 meters of tunnel in top heading section due to previous severe convergence and excavation of 360 m of bench section including different injections and soil treatment works to prevent squeezing problems.