Austria

Pfänder Tunnel:
2nd Bore opened for Traffic

The 6,585 m long, two-lane Pfänder Tunnel on the A14 in Vorarlberg/Austria with an average daily frequency exceeding 30,000 vehicles is being provided with a second bore, which is also 2-lane, to enhance its safety and efficacy after 28 years. The ASFINAG, the state company in charge of highway development, is turning to a tunnel boring machine for the first time to produce a long road tunnel, in this case a simple shield TBM (Herrenknecht S-494) with 11.84 m cutterhead diameter. The new tunnel bore is monocoque lined with 25 cm thick reinforced concrete segments (5+1; 2.00 m). The...

Find out more in

tunnel 02/2013

Find out more in

tunnel 02/2013

Ressort:  Nachrichten | News
subscription Content

Related articles:

Issue 03/2013 Austria

Redeveloping the Pfänder Tunnel

After commissioning the 2nd bore in mid-2012, the original 6,585 m long, twin-track bore of the Pfänder Tunnel was closed to traffic to be redeveloped. In late 2012, most of the construction jobs in...

more
Issue 04/2010 Austria

Second Bore for Bosruck Tunnel

The Asfinag as operator of the motorway in Austria has commissioned the construction of a second tunnel bore with 5 breakdown bays and 11 cross-passages (6 of them negotiable with vehicles) for the...

more
Issue 03/2010 Austria

Breakthrough at Pfänder Tunnel

A second bore for the 6.6 km long Pfänder Tunnel was driven with a tunnelling machine (S-494, Herrenknecht AG) with 11.85 m cutterhead diameter. The support was provided with 25 cm thick and 2 m...

more
Issue 07/2013 Tunnel-Equipment | Led-Light

Pfänder Tunnel equipped with LED Light Concept

Almost 30,000 vehicles pass through the 6.7 km long Pfänder Tunnel each day, making it one of the busiest tunnels in Austria. Extensive redevelopment measures were undertaken during the course of the...

more
Issue 08/2011 Austria

Bosruck Tunnel: Breakthrough for 2nd Bore

The breakthrough of the second bore for the 5.5 km long Bosruck Tunnel designed for 2 lanes took place on August 11, 2011 after only 17 months of construction. It occurred 2.5 months earlier than...

more