Innovative Precast Technology for Tunnelling with Prestressed Precast Concrete Slabs

Project “Calamar”

The project introduced here is an innovative example for the development and application of special prestressed precast concrete slabs and arches produced in the facilities of Gruppo Centro Nord to be used for the vault of Autostrada A4 tunnel entrance at the trade fair area of Milan City, which, on account of its characteristic shape, has been baptized ”Calamar” – the Squid.

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Gruppo Centro Nord SpA Via Castelletto 5 37050 Castelletto di Belfiore, Verona, Italy T +39 045 6149279 F +39 045 6149275


25.06.2024 - 27.06.2024
06.08.2024 - 08.08.2024
14.08.2024 - 16.08.2024