Q7
What was the key geotechnical problem in the Nicoll Highway collapse (Singapore, 2004)?
A.
Rockfall
B.
Tunneling-induced ground movement
AnswerC.
Liquefaction
D.
Slope failure
Answer: Option B
Solution
Answer: Option B
Solution:
The Nicoll Highway collapse occurred due to ground movement caused by tunneling in soft marine clay, compounded by design and monitoring failures.