Deutsche Doka Schalungstechnik

USA: All-Concrete Immersed Tube Tunnel

The Second Midtown Tunnel is an immersed tube tunnel, which will link Norfolk and Portsmouth in the US state of Virginia. The road tunnel will consist of eleven segments, cast in the dry dock in Baltimore County and then transported about 320 km south by sea and into the Elizabeth River to be submerged at depths of up to 29 m. Work is on schedule for the planned completion date of December 2016.

The Midtown Tunnel in the Elizabeth River has already been in operation for more than 50 years. With about one million vehicles per month, the link between Norfolk and Portsmouth is one of the most...

Related articles:


25,000 tunnel segments for more than 300,000 people

At present, 25,000 concrete tunnel segments are being manufactured in the Argentine capital of Buenos Aires. After completion of the works, more than 300,000 people will benefit from this: the second...

Issue 2013-11

Segments for the Liefkenshoek  Tunnel

The Liefkenshoek Tunnel is connecting the banks of the River Schelde at the Port of Antwerp in Belgium. The construction of the two single-track tubes of the 6 m long tunnel required the installation...