Mammoet and Strabag move Warsaw tunnel

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Katherine Weir

19 September 2016

Mammoet moving the 3,200 tonne tunnel into place

Mammoet moving the 3,200 tonne tunnel into place

International heavy lift and transport company Mammoet has completed the installation of the second section for the TK tunnel in Warsaw, Poland with Austria-based construction company Strabag and local subsidiaries.

Following a method that mimics a rapid bridge replacement, the team only moved the old tunnel when the new tunnel was constructed.

In this project, the tunnel section was constructed on a site near the railway. Once the 3,200 tonne tunnel section was ready for installation, part of the railway was removed and the tunnel section was transported to its final destination using 104 axle lines of self propelled modular transporter (SPMT).

The application of this approach, a first in Poland, allowed the tunnel section to be installed with only 18 days of disruption to train services, with the transportation of the tunnel section in only two hours. The company said that this method saved travellers in Warsaw months of delays.

Installation of the second tunnel section marks the end of this project, having installed the first in June 2016.

Equipment Specialized Transport Heavy Transport - Self-propelled Crane & Specialized Transport
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