Which parameter most influences the spacing of ground support?
A. Tunnel length
B. Ventilation type
C. Rock mass quality
D. Support brand
Answer: Option C
Solution (By Examveda Team)
Ground support spacing is based on geotechnical stability.The correct answer is: Rock mass qualityMeasured using RMR, Q-system, etc.Better rock needs less support.This Question Belongs to Mining Engineering >> Mine Development And Mining Methods
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