Q51
What does RQD stand for in geotechnical investigations?
A.
Relative Quality Depth
B.
Rock Quality Designation
AnswerC.
Rock Quantification Data
D.
Recovered Quality Density
Answer: Option B
Solution
Answer: Option B
Solution:
RQD or Rock Quality Designation quantifies rock mass quality by measuring the percentage of intact core lengths over 10 cm from a drill run.