CONSTRUCTION OF THE CONCRETE SLAB TRACK AT THE GOTTHARD BASE TUNNEL IN SWITZERLAND

摘要

The Gotthard Base Tunnel is the longest railway tunnel under construction in the world. Alpine together with Balfour Beatty Rail GmbH is currently installing the concrete slab track and the access tracks to the existing line. The presentation includes an overview of the progress of work and a summary of the contractual and technical design of the railway works. The presentation's focus is the installation process for the slab track, the associated development of special machines such as the concreting train, transportation shuttle, sleepers and rail mounting systems as well as the selection and testing of the concrete recipes used.