Skip to main content

Algeria tunnel project nearly complete

Work on a major tunnel project in Algeria is due for completion shortly. The tunnel will commence carrying traffic during July 2016, although an official inauguration date has not so far been announced. The T4 tunnel will connect Constantine with Skikda and Annaba, which lie to the north and on Algeria’s coast. The 2.5km tunnel forms a section of the East-West highway. To cope with the tricky geological conditions in the area, both umbrella arch and composite roof bolting methods have been used to sup
June 9, 2016 Read time: 1 min
Work on a major tunnel project in Algeria is due for completion shortly. The tunnel will commence carrying traffic during July 2016, although an official inauguration date has not so far been announced.

The T4 tunnel will connect Constantine with Skikda and Annaba, which lie to the north and on Algeria’s coast. The 2.5km tunnel forms a section of the East-West highway.

To cope with the tricky geological conditions in the area, both umbrella arch and composite roof bolting methods have been used to support the tunnel profile during the excavation work.

Related Content

  • Tunnel for Colombia’s Calarca – Cajamarca Highway
    May 23, 2014
    A new tunnel is forming an important link for a major Colombian highway - Mauro Nogarin reports Work on a major highway project is underway in Colombia, forming part of the Bogota-Buenaventura Corridor. The highway has a length of 503km and is located in central Colombia, connecting the departments of Tolima and Quindio, across the central Andes, with a total cost of around US$330 million. A key section of the project consists of building a unidirectional tunnel of approximately 8.65km in length. Anot
  • 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
  • Algeria East-West Highway opening due
    September 9, 2015
    The long running saga of Algeria’s East-West Highway should come to a key point soon, when most of the route will finally be open to traffic. The 1,216km-long route will be fully operational at the end of October 2015. This is of course with the exception of the Lakhdaria section, which still requires rehabilitation work to be carried out. The repairs are expected to carry on until May or June 2016. Contractors from all over the world have been involved in the East-West highway project but certain stretches
  • Norway’s massive Rogfast Tunnel project
    December 11, 2018
    The world's longest and deepest road tunnel is underway in western Norway - Adrian Greeman reports