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Experience

List Map

Aduna Tunnel. New Railway Network in the Basque Country. Section: Zizurkil-Andoain

The length of the Aduna Tunnel is 4690 m. Nortúnel excavated from the mouth on the Andoain side a mine tunnel with a length of 1479 m, with an excavation […]

Vilavella Tunnel. LAV Madrid – Galicia. Section: Canda – Vilavella Tunnel.

The Vilavella tunnel comes with two tunnels with a length of 902 m and 869 m. Both tunnels have a single lane road, with a truncated circular section of 52 […]

Hernani Tunnel. LAV (Y Vasca) Section: Urnieta – Hernani

The Hernani tunnel has a mine length of 749 m with an excavation section of some 120 m². It’s free section is 95 m². The materials that were cut through […]

Olabarrie Tunnel. LAV (Y Vasca) Section: Durango – Amorebieta

The Olabarrie tunnel has a length of 986 m. It is a two-way tunnel with an 85 m² type section. The excavation takes place with perforation and blasting using mechanical […]

Urzelai Tunnel. LAV (Y Vasca) Section: Durango – Amorebieta

The two-way Urzelai tunnel has a 95 m² type section and a length of 575 m. This tunnel affects the cretaceous materials, both in the CLu formation (black lutites and […]

The Murón Tunnel. Levante High Speed Train Access (AVE). Section: Aspe – El Carrús

Tunnel with a length of 1,456 m with an excavation section of some 120 m². Completed following the NATM, via blasting and mechanical means (backhoe) on cemented conglomerates, clay and […]

San Andrés LAV (Y Vasca) Tunnel. Section: Durango – Amorebieta

The San Andrés tunnel is suitable for 653 m, with a 95 m² free section. Completed using conventional measures, via perforation and blasting on lutite and sandstone rocks. The supports […]

Vitoria – Bilbao – San Sebastián high-speed railway line platform. Section: Durango – Amorebieta/Etxano

The Durango-Amorebieta/Etxano section is from kilometre point 0+000 (connection point with the Abadiño-Durango section) and 4+600 (connection point with the Amorebieta /Etxano-Amorebieta/Etxano section), with a length of 4.6 km. The […]