In block caving, what triggers the caving process?
A. Continuous blasting
B. Gravitational pull
C. Hydraulic jacking
D. Controlled excavation at base
Answer: Option D
Solution (By Examveda Team)
Block caving depends on undercutting the base of the ore body.The correct answer is: Controlled excavation at baseOnce support is removed, the overlying rock caves under gravity.Requires strong geotechnical planning.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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