Q226
What is the primary purpose of grouting in mine development?
A.
Support drilling
B.
Water seepage control
AnswerC.
Increase ore grade
D.
Improve ventilation
Answer: Option B
Solution
Answer: Option B
Solution:
Grouting involves injecting cement or chemical mixtures into fractures.The correct answer is: Water seepage controlUsed to seal cracks in rock to prevent water ingress.Also strengthens weak zones before excavation.