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Geological Engineering · Q66

Rock Mechanics and Rock Engineering

Engineering and GATE · Geological Engineering · question 66

Q66

The term �RQD� is used to measure:

A.
Rock cohesion
B.
Rock joint permeability
C.
Quality of rock mass
Answer
D.
Seepage rate

Answer: Option C

Solution

Answer: Option C
Solution:
RQD (Rock Quality Designation) quantifies the degree of jointing/fracturing in rock core. Higher RQD indicates better rock mass quality, critical for tunnel and foundation design.