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#265 Tunnelling Innovation: Inventing the Bentonite Shield
Manage episode 405148467 series 2334778
Sixty years ago a civil engineer called John Bartlett of Mott, Hay & Anderson had a revolutionary idea. He noticed that bentonite clay could be used in a slurry to stabilise the face of tunnels during excavation. This could prevent non-cohesive, water bearing soils from collapsing inwards making excavation safer and cheaper. The first...
The post #265 Tunnelling Innovation: Inventing the Bentonite Shield first appeared on Engineering Matters.
325 episodes
Manage episode 405148467 series 2334778
Sixty years ago a civil engineer called John Bartlett of Mott, Hay & Anderson had a revolutionary idea. He noticed that bentonite clay could be used in a slurry to stabilise the face of tunnels during excavation. This could prevent non-cohesive, water bearing soils from collapsing inwards making excavation safer and cheaper. The first...
The post #265 Tunnelling Innovation: Inventing the Bentonite Shield first appeared on Engineering Matters.
325 episodes
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