Technical specifications

Project description

  • double-lane motorway tunnel
  • L=8,047 m, A = 80– 90 m²
  • 34 cross-passages L=840m A = 15– 45 m²
  • 8 breakdown and 7 ventilation bays, A = 110+ 120 m²
  • 2 portal galleries and ventilation towers

Construction method
drill and blast

Geology

  • Gneiss
  • Amphibolite
  • Slate in massive, plate-like to slate-like form

General data

Project
Phyrn motorway full extension 2nd tube “Gleinalm” Tunnel

Client
Asfinag Baumanagement GmbH

Contractor
Wayss & Freytag Ingenieurbau AG
of a joint venture

Construction period
2013 to 2017

Construction costs
€ 99.4 million

Usage
Infrastructure
Type
Motorway tunnel, two lanes
Length
8,887 m
Construction method
Drill and blast method
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