Madrid, España

HSR LINK BETWEEN ATOCHA AND CHAMARTÍN STATIONS

Client

ADIF

Year

2008

Construction budget

EUR 285 million.

Key facts

7 km double-track urban tunnel, excavated with an 11.5 m diameter TBM, crossing 8 metro lines, 4 existing railway tunnels, and emblematic buildings and structures such as the Puerta de Alcalá. Only high-speed rail tunnel in the world that runs under a major city centre. 9 shafts. 3 emergency exits.

Geology: pre-consolidated sandy Tertiary soils showing a presence of water, alluvial channels and anthropogenic fill.

Services

Preliminary design, detailed design and works supervision.

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