Germany

Krammer Tunnel for bypassing Garmisch-Partenkirchen

Work started on the exploratory tunnel (3,685 m) for producing the Krammer Tunnel (3.6 km) to bypass the B 23 at Garmisch-Partenkirchen on April 29, 2011. The results of the exploration will serve to prepare for construction of the single-bore main tunnel beneath the Krammer massif. The exploratory tunnel will later be used as an evacuation and rescue tunnel for the Krammer Tunnel. In the event of an accident or a fire, people will be able to escape through doors into the gallery running parallel to the main tunnel. A total of 33 m. euros has been allocated for the scheme for bypassing...

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Issue 01/2011 Switzerland

The Lungern Bypass Tunnel – Breakthrough and initial fitting out

For the Lungern bypass tunnel, a 3.5?km long exploratory tunnel was first driven from north to south in 2000 – 2003 using a tunnel-boring machine (TBM, 4.75?m diameter). The tunnel route was then...

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Issue 05/2013 Switzerland

Roveredo Bypass: Tunnel Breakthrough

A 2-lane bi-directional tunnel is being built for the Roveredo Bypass – with shoulders at both sides and 2 lay-bys. It has up to 3,000 m overburden and runs north with 0.8 % gradient lying in an arc...

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Issue 06/2014 4th Munich Tunnelling Symposium

Structural Fire Protection and contractual Concepts in Tunnelling

The Support Association for Structural Engineering of the University of the Bundeswehr (UniBW) Munich staged the 4th Munich Tunnelling Symposium at the end of May in collaboration with the Research...

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Issue 02/2012 Switzerland

Redeveloping the Gubris Tunnel

The 3.3 km long Gubris Tunnel is located in the Zurich North Bypass (A1/A4 North Ring) between the municipalities of Weiningen and Regensdorf. The road tunnel, which opened in 1985, has 2...

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Issue 02/2012 Switzerland

Handeck-Gerstenegg Exploratory Tunnel

Currently the Handeck-Gerstenegg exploratory tunnel is under construction to secure access in winter to the Grimsel 1 and 2 power plants as well as to open up  further “KWO plus” projects for the...

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