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

  • A new port link being built in Algeria
    July 20, 2022
    A new port link is currently being built in Algeria.
  • Russia's key highway development project
    February 8, 2012
    One of the largest construction programmes in Europe is being carried out to get a Russian resort ready for the Winter Olympics. Patrick Smith reports
  • Russia's key highway development project
    May 28, 2012
    One of the largest construction programmes in Europe is being carried out to get a Russian resort ready for the Winter Olympics. Patrick Smith reports. Daytime temperatures top 30°C in September, and with hundreds of shops and hotels, it is not difficult to see why Sochi has become Russia's premier holiday playground. The city, on the east coast of the Black Sea, near the border with Georgia, bustles with tourists, and this is boosted with delegates at the 9th International Investment Forum Sochi 2010.
  • Slovakia tunnelling project on track
    May 9, 2016
    Work on a key portion of a major tunnelling project in Slovakia has been completed. Contractor Doprastav has complete boring of the 2km Ovciarsko tunnel, which forms part of the D1 highway route. The Ovciarsko lies close to Zilina and Doprastav commenced the drive for the 2.367km long tunnel in September 2014. This is one of two tunnels along the 11km stretch of the D1 between Hricovske Podhradi and Lietavska Lucka. This is one of the most challenging sections of the D1 to construct as it requires building