![Shotcrete - Tunnel & Shaft – lining - repair – construction. Shotcrete Services – Shotcrete – Gunite – Sprayed Concrete Shotcrete - Tunnel & Shaft – lining - repair – construction. Shotcrete Services – Shotcrete – Gunite – Sprayed Concrete](https://www.shotcrete.co.uk/graphics/jpgs/tunnel_shafts-pic01.jpg)
Shotcrete - Tunnel & Shaft – lining - repair – construction. Shotcrete Services – Shotcrete – Gunite – Sprayed Concrete
![Cast iron tunnel lining segments form a fascinating pattern in a ventilation shaft on the London Underground Network Stock Photo - Alamy Cast iron tunnel lining segments form a fascinating pattern in a ventilation shaft on the London Underground Network Stock Photo - Alamy](https://c8.alamy.com/comp/ANE9D8/cast-iron-tunnel-lining-segments-form-a-fascinating-pattern-in-a-ventilation-ANE9D8.jpg)
Cast iron tunnel lining segments form a fascinating pattern in a ventilation shaft on the London Underground Network Stock Photo - Alamy
![Suggested design with cast-in-place tunnel lining for modern two-lane... | Download Scientific Diagram Suggested design with cast-in-place tunnel lining for modern two-lane... | Download Scientific Diagram](https://www.researchgate.net/publication/278156928/figure/fig4/AS:294405341761538@1447203111279/Suggested-design-with-cast-in-place-tunnel-lining-for-modern-two-lane-highway-tunnels-in.png)