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How do you secure a 17-metre-high headwall for a successful TBM launch?

Mar 4, 2026

How do you secure a 17 metre high headwall for a successful TBM launch

Minova supplied over 600 soil nails, GFRP tendons, structural mesh, shotcrete, and GFRP Powermesh panels to reinforce the South Portal of the Chiltern Tunnel.

This enabled a safe and controlled breakthrough on this major HS2 milestone.

Find out more in the full case study coming soon.