Q62
What is the purpose of using shotcrete in underground mines?
A.
Explosive containment
B.
Ground support
AnswerC.
Water sealing
D.
Dust suppression
Answer: Option B
Solution
Answer: Option B
Solution:
Shotcrete is sprayed concrete used to support exposed rock surfaces.The correct answer is: Ground supportIt prevents rock falls and stabilizes tunnel walls and ceilings.Often combined with mesh and bolts.