Advances in concrete curing for the Jagdberg Tunnel, Jena

The Jagdberg Tunnel, a new section of the A4 Eisenach to Görlitz Highway located between the Magdala and Jena/Göschwitz junctions, has been under construction since 2008. Completion of the two three-lane tunnel bores, each 3.1 km in length, is expected as from early 2013. The following article focuses in particular on the curing of concrete

The Jagdberg Tunnel, a new section of the A4 Eisenach to Görlitz Highway located between the Magdala and Jena/Göschwitz junctions, has been under construction since 2008. Completion of the two three-lane tunnel bores, each 3.1 km in length, is expected as from early 2013. The long gradients otherwise encountered have in the past resulted in enormous daily hindrance to traffic, with the result that completion of the tunnel through the Leutra valley will provide extremely welcome relief.

The two bores have been headed into the rock from east and west simultaneously, using the New Austrian...

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