Q16
What is the primary cause of rock bursts in deep tunnels?
A.
Groundwater
B.
High humidity
C.
Thermal stress
D.
High in-situ stress
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
Rock bursts are sudden, violent failures of rock, mainly due to the release of high in-situ stress in deep tunnels.These are common in hard, brittle rocks.