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The primary reason for tunnel lining design changes in Bengaluru Metro...

This question belongs to Geological Engineering Case Studies And Applied Geological Engineering Projects
Case Studies and Applied Geological Engineering Projects
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The primary reason for tunnel lining design changes in Bengaluru Metro was:

Answer & Solution
Correct Answer: Option A
During construction of the Bengaluru Metro, unexpected groundwater ingress prompted the use of waterproofing membranes and reinforced concrete linings to prevent seepage and ensure tunnel longevity.
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