Which technique improves roof stability by reinforcing fractured rock?
A. Dewatering
B. Ground freezing
C. Rock bolting
D. Shaft sinking
Answer: Option C
Solution (By Examveda Team)
Rock bolting strengthens the rock mass by binding loose blocks.The correct answer is: Rock boltingCommon in hard rock mines.Often combined with mesh and shotcrete.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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