TUNNELS, UNDERGROUND
Measures for protecting and waterproofing tunnels and underground galleries which ensure safe movement.
Repairing bolts with sprayed concrete support
Strengthening of the tunnel vault, removal of the most unstable material, and strengthening of the rest with bolts and reinforced concrete designed with wire mesh.
Location: Autopista C-32 Túnel 4 (Barcelona).
Year: 2010
Protection against falling blocks¡s
Protection against falling blocks with mesh and bolts in a mine gallery.
Location: Gualba.
Year: 2015
Waterproof sheeting
Waterproofing the tunnel by placing waterproof sheet.
Location: Túnel del Cremallera de Montserrat.
Year: 2003
Strengthening the tunnel vault
Strengthening of the tunnel vault by means of bolts, d = 25 mm and 3 metres in length, wire mesh and sprayed concrete.
Location: Túnel de Erga. Autovía Leizarán.
Year: 2007
We build landscapes that protect lives
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