Since May 2016, about 150 employees have been at work on the drill and blast excavation of the nearly 3000 m long second Perjen Tunnel in Austria. A site visit in the middle of October showed that all...
Approximately 20 km south of Innsbruck, near the town of Steinach am Brenner, the Wolf 2 construction lot and access tunnel of the same name are situated. The Wolf access tunnel, one of the most...
For a number of years now bright top layers have been installed on tunnel carriageways in Luxembourg – in order to enhance safety while at the same time cutting back on energy required for lighting....
In the course of the refurbishment of the Swiss Zuben Tunnel on the Grimsel Pass road near Innertkirchen, the existing chloride-damaged concrete lining of the road tunnel, which was built in the...
Classical music sounded from the loudspeakers down into the site, but could not drown out the chorus and whistling of the demonstrators in the background: scraps of speech and insults were still...
A number of years ago the Great Beirut Water Supply project (GBWSP) was established to improve the drinking water provision of the greater Beirut area and strengthen the weakly structured southern...
On September 25, 2016 Qatar Rail completed tunnelling on the Doha Metro project with the final breakthrough of the “Red Line South” with the seven meter tunnel boring machine “Msheireb”, taking place at Terminal One of Hamad International Airport. It was the last of 76 breakthroughs in the gigantic project Doha Metro. The TBM breaking through marks the finale of one of the most ambitious tunnel structures in the world. Cleverly master-planned by client Qatar Rail, it took just 26 months to provide the capital of Qatar with three city-wide metro lines including 111 km of ultra-modern tunnel systems.
In tunnel issue 4/2016 we informed you about the most important aspects of the 42nd Annual Meeting of the International Tunnelling and Underground Space Association (ITA) and the 2015 World Tunnel Congress (WTC), held from April 22 to 27, 2016 in San Francisco, USA. In issue 6/2016 you can learn more about the activities of the 13 Working Groups, the four Committees and the ITA Young Members.
Classical music sounded from the loudspeakers down into the site, but could not drown out the chorus and whistling of the demonstrators in the background: scraps of speech were still audible. “Bunch...
September 25, 2016, 10.44 am local time in Doha, Hamad International Airport: with precision the seven meter tunnel boring machine “Msheireb” pierces the final target wall of the “Red Line...
