Deutsche Doka Schalungstechnik

USA: All-Concrete Immersed Tube Tunnel

Altogether eleven tunnel segments with an average length of 106 m were concreted in the dry dock using this formwork Figure: Deutsche Doka Schalungstechnik
Altogether eleven tunnel segments with an average length of 106 m were concreted in the dry dock using this formwork
Figure: Deutsche Doka Schalungstechnik
The dry dock in Sparrow’s Point is flooded after completion of the tunnel elements Figure: Elizabeth River Tunnels Projects
The dry dock in Sparrow’s Point is flooded after completion of the tunnel elements
Figure: Elizabeth River Tunnels Projects
The tunnel segments are ready for transport to the Elizabeth River Figure: Elizabeth River Tunnels Projects
The tunnel segments are ready for transport to the Elizabeth River
Figure: Elizabeth River Tunnels Projects
The tunnel sections were transported 320 km by sea to their intended location Figure: Jay Westcott
The tunnel sections were transported 320 km by sea to their intended location
Figure: Jay Westcott

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...

Find out more in

BFT 2015/11

Find out more in

BFT 2015/11

Ressort:  UNDERGROUND CONSTRUCTION | TIEFBAU
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