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In the Olmos Trans-Andean tunnel project what was a key geological...

This question belongs to Geological Engineering Case Studies And Applied Geological Engineering Projects
Case Studies and Applied Geological Engineering Projects
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In the Olmos Trans-Andean tunnel project, what was a key geological issue?

Answer & Solution
Correct Answer: Option C
The tunnel passed through the Andes, encountering phyllite and crushed fault zones, which required ground support and drainage strategies.
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