List of products by author: J. Classen

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  Innovations and Challenges operating the World’s Largest TBM

  Abstract: The Sparvo Twin Tunnels are part of the “Variante di Valico” project, a new 65km highway link between Bologna e Florence, designed to renew the existing A1 route, the most important one in Italy. The renovation project is divided into 13 lots and, because of its complexity, the Sparvo section overall represents the main work. It is composed by 2.5km long twin tunnels, excavated inside a complex...

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  The biggest TBM/EPB in the world: a challenging experience

  Abstract: The Sparvo tunnel is part of “Variante di Valico” highway project, between Bologna and Florence in Italy. This contract was acquired by TOTO Costruzioni Generali S.p.A for 190 Mio€. Here a mechanized method was applied by using the world’s largest TBM called “Martina”, with an exceptional diameter of 15.62 m. BASF contributed to the successful TBM tunneling at Galleria Sparvo by supplying...

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