Turnkey solutions for tunnel construction
For road, highway, railway, and hydraulic tunneling projects, as well as related structures such as bypasses, HV-LV transformer stations, service ducts, and niches, we offer turnkey solutions. Our complete tunnel construction works are carried out with expertise and precision, covering all phases from excavation to final lining.
With all the necessary equipment and a team of specialized personnel with extensive experience, we execute the following works in the tunnel construction process:
Construction of New Tunnels
- Consolidation of the rock mass to be excavated
- Excavation using NATM / ADECCO methods and explosives
- Aplication of spayed shotcrete
- Waterproofing with vacuum system
- Installation of reinforcements, formwork, and concrete casting
Renovation of Existing Tunnels
- Special scarification
Special scarification work involves the removal of deteriorated concrete with minimal vibrations to the old linings of the sidewalls and vault. The thickness of the removed material can vary from just a few centimeters to over 50 cm. After removal, new final linings are applied using surface plasters, structural shotcrete, or a complete reconstruction of the vault in reinforced concrete.
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