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What does RQD (Rock Quality Designation) measure

This question belongs to Geological Engineering Introduction To Geological Engineering
Introduction to Geological Engineering
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What does RQD (Rock Quality Designation) measure?

Answer & Solution
Correct Answer: Option C
RQD is a percentage representing the quality of rock core recovery during drilling.It evaluates the degree of jointing and fracture in the rock mass.Correct Answer: Quality of rock core recovery.
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