Doka handles Austria tunnel upgrade

A key section of the busy A12 route in Austria’s Tyrol area has been refurbished with help from formwork specialist Doka. The company devised a formwork traveller featuring steel panels so as to help build a new inner shell for the twin-tube Senftenberg Gallery tunnel. The job involved 36 pouring sections for work on the first tube followed by a break to accommodate winter tourist travel. After some minor modifications the same formwork traveller was then re-used for another pouring a further 36 sections on
January 4, 2017 Read time: 2 mins
Doka’s formwork has helped revamp a twin tube tunnel on Austria’s A12 highway
A key section of the busy A12 route in Austria’s Tyrol area has been refurbished with help from formwork specialist 203 Doka. The company devised a formwork traveller featuring steel panels so as to help build a new inner shell for the twin-tube Senftenberg Gallery tunnel. The job involved 36 pouring sections for work on the first tube followed by a break to accommodate winter tourist travel. After some minor modifications the same formwork traveller was then re-used for another pouring a further 36 sections on the second tube.

The job involved the renovation of the twin-tube highway tunnel with an existing centre wall and V-shaped columns. The 360m long tunnel sections are 10m wide by 6.5m high and the work was carried out by contractor 945 Strabag.

Formwork sheet made of steel panels was employed as this ensured a long lifespan and a high-grade concrete finish, allowing the pouring of 72 sections without replacing the panels. The formwork traveller met key requirements for the work and was pre-assembled by Doka, cutting costs for the contractor.
Road Structures

For more information on companies in this article

Related Content

  • Tuen Mun to Chek Lap Kok tunnel connection
    January 24, 2017
    It is not only the scale of the Tuen Mun to Chek Lap Kok tunnel that impressed delegates but the number of novel technologies that Dragages Hong Kong, a Bouygues Construction subsidiary, is employing on this project The 4.6 km tunnel running 60m below sea level is part of a strategic new route linking Hong Kong’s airport on Lantau Island and the New Territories.
    Read More
  • Tuen Mun to Chek Lap Kok Tunnel project
    December 22, 2016
    It is not only the scale of the Tuen Mun to Chek Lap Kok tunnel that impressed delegates but the number of novel technologies that Dragages Hong Kong, a Bouygues Construction subsidiary, is employing on this project. The 4.6 km tunnel running 60m below sea level is part of a strategic new route linking Hong Kong’s airport on Lantau Island and the New Territories. Dragage’s contract includes reclamation of 16.5-hectares at the tunnel’s north end to accommodate the north portal and a ventilation building. Wo
    Read More
  • Machine control technology shortens road contract
    May 28, 2013
    The use of sophisticated machine control technology has helped halve the schedule required for a road contract – Jeff Winke. By using the latest machine control systems on the equipment fleet, a US contractor has managed to halve worker hours, machine time and overall costs. “We chopped 50% off the contract schedule,” said Jim Swenson, licensed professional land surveyor for Oregon Mainline Paving based in McMinnville, Oregon. “The project was completed a year ahead of the two-year schedule,” he explained.
    Read More
  • PERI fills gap in Greek market
    February 19, 2013
    A team of Greek and German PERI engineers have developed a comprehensive formwork and scaffolding solution for the T4 bridge on the A7 motorway in Greece. The 160km long A7 connects Kalamata in the south to Corinth in the northwest of the Peloponnese peninsula. On one stretch of the motorway a 390m long arched bridge – known as T4 – is being used to close the gap between Paradisia and Tsakona. Set for completion in early 2014, two-thirds of the 22m wide bridge superstructure will be suspended on a steel arc
    Read More

Highlighted Content