Q148
Which mining method is least suitable for soft and unstable ground?
A.
Longwall mining
B.
Top slicing
C.
Sublevel stoping
AnswerD.
Cut and fill
Answer: Option C
Solution
Answer: Option C
Solution:
Sublevel stoping requires strong surrounding rock to maintain stope integrity.The correct answer is: Sublevel stopingIn soft ground, collapse risk is high.Cut and fill would be more appropriate.