Concreting of the longest tunnel in the world
The Alfi Technologies concreting train, fruit of a unique experience, entered the St. Gotthard tunnel Wednesday, October 13 2010 around 5:00 am. He started the process of concreting the lane of the southern portion of the longest railway tunnel (57 km).
![](https://alfi-technologies.com/wp-content/uploads/2022/05/concreting-train-into-tunnel-edited-scaled.jpg)
![](https://alfi-technologies.com/wp-content/uploads/2022/05/Train-dans-la-base-de-chargement-granulats-edited-1024x576.jpg)
An exceptional project
The commissioning of the train followed several weeks of a real situation testing and validation made on a path of several hundred meters. On-site dedicated technicians of ADLER Digital StillCameraTechnologies team havesupported customer’s technicians who were going to operate the train in order to ensure the best possible start.
A train made by an expert in the concrete industry
Fame, perenity of the company, ability to integrate into a complex project management, are some of criteria for selecting companies that participate in this challenge. ALFI Technologies leverages a long experience in managing such projects, including the provisioning of a concreting train for the Channel Tunnel, but the company has been selected through a technologically unmatched solution also.
A total of 23 cars representing over 1200 tons were delivered by the company to cement the 57 km rail tunnel at a rate of 260 m per day.