The "Rock Quality Designation (RQD)" is expressed as a percentage of:
A. Total fracture length in rock core
B. Length of sound rock pieces longer than 10 cm
C. Number of fractures per meter
D. Porosity of rock
Answer: Option B
Solution (By Examveda Team)
RQD is the percentage of intact core pieces longer than 10 cm in length.It is a widely used indicator of rock mass quality.This Question Belongs to Geological Engineering >> Rock Mechanics And Rock Engineering
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