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What method was primarily used to stabilize tunnel portals in the...

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 method was primarily used to stabilize tunnel portals in the Konkan Railway project?

Answer & Solution
Correct Answer: Option B
In the Konkan Railway project, many tunnel portals were stabilized using rock bolting and shotcrete to deal with weak lateritic soils and rainfall-induced instability.
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