Highway and infrastructure contracting since 1992

CORRUGATED STEEL TUNNEL · SEISMIC RETROFITTING · TCDD

Earthquake-Resilient Infrastructure Fevzipaşa – İslahiye Railway

Line reinforced with ViaCon steel tunnel and stone retaining works.

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Years in the sector
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Active sites
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Documented projects
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Documented route

STATION 01 Expertise

Our fields of activity

Railway

Repair of earthquake-damaged lines, including earthworks, structures and tunnel works.

Related projects

Tunnel

Excavation, support and construction works in urban road tunnels and railway tunnels.

Related projects

Infrastructure

Drainage, shoring and retaining structures, landslide stabilisation and drinking-water transmission lines.

Related projects

STATION 02 From the field

Currently active
sites

STATION 03 Yeterlilik

In four core areas
end to end

01

Highways

02

Tunnel

03

Structural Works

04

Infrastructure

STATION 04 How it is built

A tunnel
opens in six layers

How a highway tunnel is built, layer by layer Schematic cross section showing the ground profile, excavation face, support and shotcrete, lining concrete, drainage and pavement layers. SPAN NATURAL GROUND Km 0+000 Km 3+120
  1. Ground investigationGeological profile, boreholes, rock class determination
  2. Excavation and face advanceControlled blasting or mechanical excavation
  3. Support and shotcreteSteel mesh, rock bolts, shotcrete support
  4. Lining concreteWaterproofing and final concrete lining
  5. Drainage and invertSeepage collection, invert fill
  6. PavementSub-base, base, hot mix asphalt

STATION 05 Evidence

Delivered
projects

STATION 06 Latest

In the Press

  1. Directorate of Communications

    President Erdoğan speaks at the opening of the Hacı İbrahim Demir Mosque

    The opening programme of the complex we built at Ahlatlıbel. With a 3,100 m² interior and capacity for 5,000 people, the mosque entered service together with a Qur'an school, a library, a foundation building and a condolence hall.

    Other sources: Presidency of the Republic of Türkiye · Haber7 · Akşam

    Our mosque page →
  2. Şahinbey Municipality

    Şahinbey Municipality 100th Year Tunnels opened to traffic

    The twin tube tunnel we built for Şahinbey Municipality opened to traffic on 16 March 2024. The journey between Şehirüstü Junction and Yeşilvadi Boulevard fell from 25 minutes to one.

    Other sources: Directorate of Communications

    Our news item →