What is it?
Tunnel Liner
The Tunnel Liner is a method of excavation in which segmented metal rings are installed to reinforce the tunnel structure as the boring progresses. It is used in the construction of large culverts, tunnels and underpasses.
Advantages
Tunnel Liner
- Structural safety:
Prevents collapse in unstable soils.
- Lower ecological impact:
Avoids affecting surface ecosystems.
- Application in large diameters:
Ideal for urban infrastructure works.
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