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Project Description

Line 3 (Green line) is the oldest and second busiest line of the Barcelona subway network. Since the line first opened in 1924, it has been progressively extended to adapt to the growing urban area. One of these extensions was completed in 2001, between the stations Mundet to Canyelles, in the north of the city. Within this 2.5 km long extension project, Pedelta designed the three subway stations: Mundet, Valldaura and Canyelles.

Mundet station is located below Passeig de la Vall d’Hebron and Ronda de Dalt expressway. The access to the station is provided by an underground passageway allowing passengers to cross under the Ronda de Dalt. The northern entrance is accessible by stairs, escalators, and elevators; whereas the southern entrance is at street level, which allows the station to receive natural light.

Valldaura station is located below Passeig de Valldaura, between Carrer Canigó and Carrer Hedilla.

Canyelles station lies below Carrer Federico García Lorca and Via Favència-Ronda de Dalt and is considerably more modern-looking than most of the city’s remarkably sober stations. It has two accesses, one on each side of the station.

Design/Construction Approach

The 200 m long stations are designed with structural cantilever walls supporting one or two levels of post-tensioned concrete floor slabs with a longest span of 22.5 m. The stations were built using the cut and cover method, either using RC slab or tri-articulated RC vaults, depending on the segment. In the scope of the design was to minimise the footprint and interference with existing traffic on adjacent streets and provide a minimum cost. At Canyelles station the construction process was especially complex because the station was located between nearby buildings and a 9 m high existing retaining wall.

Client
Intraesa
Location
Barcelona (Spain)
Key Elements
Top-down Construction Method, Traffic Maintenance, Movements Minimization
Services
Feasibility Studies/Conceptual Design
Detailed Design
Three Stations for Barcelona Subway Line 3
Three Stations for Barcelona Subway Line 3
Three Stations for Barcelona Subway Line 3
Three Stations for Barcelona Subway Line 3
Three Stations for Barcelona Subway Line 3
Three Stations for Barcelona Subway Line 3
Three Stations for Barcelona Subway Line 3