DIGGING A SECRET TUNNEL part 4
A video on YouTube. In Maker & Builds, a Krater category.
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Colin Furze builds and installs steel wall liners and floors for his underground tunnel leading from his shed, welding sections together and pouring concrete around them.
From the video
Answers: How do you build and install steel wall liners in an underground tunnel?
- underground tunnel construction
- steel wall lining installation
- concrete pouring for tunnel support
- welding steel plates
What it concludes
- The steel wall liners create a solid, level tunnel structure when welded and reinforced with concrete.
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