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Sparvo Tunnel

Sparvo, BO, Italia

2013
CLIENT
Autostrade per l'Italia

CONTRACTOR

SAN BENEDETTO VAL DI SAMBRO (Toto, Vianini, Profacta)

DESCRIPTION
On highway tunnel along the A1 Milano – Napoli. The tunnel belongs to the great project “Variante di Valico”, with the goal to improve the communication between Bologna and Firenze along the Appennini area.
Underground Length: 5.5 km approx., excavated with 1 TBM-EPB.- At the moment of the excavation, the TBM was the biggest one in the whole world, with a excavation diameter of 15.62 m.
The two-component back fill grout system is being injected through the precast concrete rings and the formation.
  • MAPEGROUT COMPACT

    MAPEGROUT COMPACT

    Pre-mixed injecting grout characterizedby great resistance to wash-outand co
    MORE INFO
  • MAPEQUICK CBS SYSTEM 1

    MAPEQUICK CBS SYSTEM 1

    Liquid retarding admixture with plasticizing effect for cementitious-based injec
    MORE INFO
  • MAPEQUICK CBS SYSTEM 2

    MAPEQUICK CBS SYSTEM 2

    MAPEQUICK CBS SYSTEM 2
    MORE INFO
  • RESFOAM 1KM

    RESFOAM 1KM

    One-component, ultra-fluid polyurethane resin applied by injection for waterproo
    MORE INFO
44.1843260000,11.1911961000
 
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