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In the construction of the Metro in Kolkata ground settlement was...

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 construction of the Metro in Kolkata, ground settlement was mainly due to:

Answer & Solution
Correct Answer: Option C
Loose alluvial deposits in Kolkata's subsurface led to significant ground settlement during metro tunneling. Compensation grouting and careful TBM operation were used to manage it.
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