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What geological factor led to construction delay in the Atal Tunnel...

This question belongs to Geological Engineering Case Studies And Applied Geological Engineering Projects
Case Studies and Applied Geological Engineering Projects
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What geological factor led to construction delay in the Atal Tunnel project?

Answer & Solution
Correct Answer: Option B
The fault zone with water ingress in the Seri Nallah section led to excessive inflow of water and unstable tunneling conditions, causing delays and the need for additional support systems.
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