Drill and blast method and tunnel excavator
A9 Phyrn Motorway full extension of 2nd tube
Lot 5 “Sperring” and „Falkenstein“ Tunnel
Lot 4 „Klauser“ and „Traunfried“ Tunnel
Asfinag Baumanagement GmbH
Wayss & Freytag Ingenieurbau AG
as commercial leader of a Joint venture
2014 to 2017
€ 66.28 m
Due to an advantageous layout of tunnel portal and tunnel excavator is was possible to do without shunting bays and laborious shunting during the construction of the single-track railway tunnel.
While investigating on the trail of the beginnings of the universe – in the nuclear research centre CERN the quarks go to the racecourse. The tunnels and caverns for the biggest machine in the world were built by Wayss & Freytag Ingenieurbau.
During extension of the Pyhrn motorway, the Gleinalm Tunnel is provided with a second tube. This makes the motorway safer, since there will be no oncoming traffic in the tunnel.