Can We Re-Use Crossrail Soil?

6 November 2018, 16:31 | Updated: 6 November 2018, 16:33

Tunnel Boring
Tunnel Boring. Picture: PA

When we build tunnels what do they do with the soil? Why can’t it be used to keep cliffs from falling down? For example the soil from Crossrail?

Name: Paul, Crawley

Question: When you build tunnels what do they do with the soil? Why can’t it be used to keep cliffs from falling down? For example the soil from Crossrail.

Name: Chris, Cheltenham

Answer: The Crossrail soil which is London clay has gone to Wallasey Island. But the soil that comes out of various sites is re-used dependent on the type. Not all soil can be re-used.

Qualification: Tunnel Boring Specialist