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Which technique was used in the Brenner Base Tunnel to reduce...

This question belongs to Geological Engineering Case Studies And Applied Geological Engineering Projects
Case Studies and Applied Geological Engineering Projects
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Which technique was used in the Brenner Base Tunnel to reduce tunnel collapse risks?

Answer & Solution
Correct Answer: Option C
A pilot tunnel and umbrella arch method was used in the Brenner Base Tunnel to stabilize weak ground and reduce risks during excavation in fractured rock masses.
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