Lonato Tunnel | Italy

Completed in: in progress

As part of the High-Speed/High-Capacity (HS/HC) railway line Turin–Venice, on the Milan–Verona section and specifically the functional lot Brescia–Verona, located south of Lonato del Garda, the Lonato natural tunnel is the most complex structure within the Lonato tunnel system. Built using the tunnel boring machine Martina, it consists of a twin-tube tunnel, with a single track in each tube, crossing beneath the local industrial area and the A4 motorway section between Brescia Est and Verona.

Technical data

TBM excavation, lining and backfilling for approximate 9,50 km with a EPB TBM. Excavation of two twin tunnels of approx. 4,75 km.

Excavation and lining of no. 12 tunnel’s link cross passages and no.29 technological niches.

Tunnel invert’s concrete filling after completion of excavation.

Excavation diameter

10,03 m

Tunnel length

9,50 km

Geology

Moraine deposits: heterometric gravel, sand, cobbles, boulders, clay.

Type of support

Precast concrete segment

Client

CEPAV Due