Underground Civil Works
Tunnel and trench slope reinforcement works on the Monforte-Lugo railway section
Customer: UTE Monforte
Tunnel 73: 264 m
Tunnel reinforcement by gunite spraying and placement of bolts and grout.
Excavation in masonry of 10 niches for the placement of catenary tensioners. Plus 1 singular niche with excavation and external support of vault over tunnel for subsequent internal demolition of masonry.
Lowering of the whole of the platform to increase the gauge.
Tunnel 74: 41 m
Complete demolition in phases of the masonry of the tunnel to increase the section and gauge.
Laying of trusses with Bernold plates and subsequent gunning. Construction of a cut-and-cover tunnel in both tunnel mouths.
Supporting and reinforcement of 7 slopes by means of mesh, gunite, bolts and mechinales.