PLAÇA DE LES GLÒRIES ROAD TUNNELS

Key facts

Construction method: Cut-and-cover with secant pile walls and concrete box under pipe pre-support.

Twin tunnels (one for each direction).

Section I: between Calle Castillejos and Calle Badajoz, 508 m long, at a maximum depth of 25 m and under 4 existing railway tunnels.

Section II: between Calle Badajoz and Rambla del Poblenou, 449 at an average depth of 10 m.

Underpasses built with post-tensioned pipe pre-support system and advance rate of 3 m with in-situ reinforced concrete segments.

Geology: Quaternary sandy clay soils and sands and Neogene clays, with high groundwater table.