Examveda

What was the major challenge in constructing Metro tunnels beneath heritage structures in Kolkata?

A. Seismicity

B. Ground vibration control

C. Hard rock tunneling

D. Tunnel boring in permafrost

Answer: Option B

Solution (By Examveda Team)

Vibration control was essential to protect Kolkata�s heritage structures. Special TBMs and real-time monitoring systems were used to minimize ground movements.

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