Q68
Which of the following techniques helped manage groundwater during Delhi Metro Phase 3 tunneling?
A.
Jet grouting
B.
Use of bentonite slurry walls
C.
Artificial freezing
D.
Installation of recharge wells
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Recharge wells were installed to maintain the groundwater table and reduce drawdown, protecting surrounding structures and ecosystems.