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Züblin delivers piled solution for German motorway upgrade

Major earthworks and piled foundations to overcome challenging ground conditions will be delivered by Züblin for parent company Strabag on a new German motorway upgrade contract which got underway yesterday.

Under the €38M (£33M) deal with northern Bavaria motorway authority Autobahndirektion Nordbayern, Strabag will upgrade eight bridges on the A9 motorway between the Nuremberg/Feucht interchange and the Hilpoltstein junction.

Strabag has said that the project will call for 74,000t of excavation and ground conditions mean that four of the bridges will call for Züblin to undertake 1,200mm diameter bored piles, while noise protection wall will also require 620mm or 750mm diameter bored piled foundations.

According to Autobahndirektion Nordbayern, the fundamental upgrading of the structures is unavoidable. Major parts of the bridges date back to the beginning of highway construction in Bavaria and were not designed for today’s heavy traffic. A simple increase of the load carrying capacity is technically and economically not feasible.


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