In the Hoek-Brown failure criterion, which parameter is NOT required?
A. Uniaxial compressive strength
B. Joint orientation
C. Geological Strength Index
D. Material constant mi
Answer: Option B
Solution (By Examveda Team)
Joint orientation is not directly used in the Hoek-Brown criterion, which is an empirical model using UCS, GSI, and mi to estimate rock mass strength.This Question Belongs to Geological Engineering >> Rock Mechanics And Rock Engineering
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