PLAÇA DE LES GLÒRIES ROAD TUNNELS
Tunnel between anchored diaphragm walls 28.5 m wide and 28 m deep. It also includes the construction of a double concrete box 25 m wide under existing tunnels with heavy tubes for support.
Construction method: Cut-and-cover between anchored diaphragm wall and concrete box under canopy support.
Geology: Quaternary sandy clay soils and sands and Neogene clays, with high groundwater table.