Quadrupling of the Fortezza-Verona railway line, Fortezza-Ponte Gardena section

Completed in: in progress

The works assigned to Seli concern the construction of the tunnel with EPB TBM from the Forch Adit for a total length of 1,29 km and, optionally, the tunnel with Dual Mode TBM from the Funes Adit, including the Gardena Tunnel up line and down line, as well as the interconnection tunnel even line and odd line, for a total length of 16,243 km.

Technical data

Excavation, lining and backfilling behind the segments with EPB TBM for approximately 1.3 km of tunnel, plus 16.3 km of tunnels (BP + BD Gardena) with a Dual Mode TBM.

Excavation diameter

FORCH: 11,05 m
Gardena twin tunnel: 9,68 m

Tunnel length

EPB TBM: 1,3 Km
Dual Mode EPB TBM: 16,3 Km

Geology

Forch: Glaciolacustrine deltaic deposits, alluvial deposits, phyllites;
Funes: Andesitic and trachyandesitic dykes, phyllites (carbonaceous, quartz-rich, with garnet), paragneiss

Type of support

Precast concrete segment

Client

Consorzio Dolomiti (WEBUILD/IMPLENIA)