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Special Sealing Technology on Upgrading theBrenner Railway Axis Between Munich and Verona


Theodor Cordes GmbH und Co.KG, 48308 Senden – Bösensell, Germany

 


The Brenner railway axis is under reconstruction between Munich and Verona. 11 emergency escape tunnels with an internal diameter of 4.00 m were constructed using the pipe jacking process for construction lot H3-4 and H8 of the Lower Inn Valley line in the region of Münster/Wiesing and 6 in the region of Jenbach. The 17 m to 130 m long emergency escape tunnels were driven in groundwater with up to 3 bar groundwater pressure in the floor area and at a depth underground of up to 25 m. Recovery of the pipe jacking machine was not supposed to cause any delays to drilling work on the main tunnel whilst constructing the emergency escape tunnels. As a result the pipe jacking operations were carried out as head bores in sealing blocks tangent to the main tunnel using a machine specially developed for the purpose.

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Ed. Züblin AG
Unternehmensbereich
Spezialtief- und Tunnelbau
Albstadtweg 3 · 70567 Stuttgart, Germany
T +49 711 78830 · F +49 711 7883390
www.zueblin-tunneling.com
info@zueblin.de


CPi worldwide journals are trade journals for the concrete and precast concrete industry that are published in 10 different language editions in more than 170 countries. These trade journals, with their practical editorial reporting on research, production and applications, are specifically addressing the decision makers of the concrete and precast concrete industry.

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