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

  • Developments in concrete road construction
    February 7, 2012
    Innovative developments are pushing forward concrete road construction techniques. The concrete road sector looks to benefit from some key innovations and developments now coming to market or being employed in different territories. Irregular weather and environmental conditions can alter the rate at which concrete cures, with a risk of plastic shrinkage cracks that can compromise the integrity of a pavement. Contractors cannot control the environmental conditions of a paving project and when weather patter
    Read More
  • Bridging the River Tisza
    February 7, 2012
    The Hungarian government has been investing heavily in extending and improving the country's motorway and trunk road network.
    Read More
  • PERI's tall order in Mexico
    February 14, 2012
    The Baluarte Bridge (Puente Baluarte), part of a major highway project, ranks among the most outstanding infrastructure projects ever constructed in Mexico.
    Read More
  • Doka showcases Cut&Cover tunnel construction solution
    January 6, 2017
    Austrian firm Doka will be showcasing at bauma its first system to be specifically designed and optimised for cut-and-cover tunnel construction. With Doka CC (Cut and Cover), different types of traffic tunnel, such as rail or road tunnels, are said to be able to be built quickly, efficiently and safely. Doka says the creation of its innovative tunnel system was made possible only by the use of hi-tech construction materials and products such as the Composite formwork beam I tec 20. The choice of high-grade
    Read More

Highlighted Content