Which rock property is most important in evaluating tunneling conditions?
A. Porosity
B. Hardness
C. RQD (Rock Quality Designation)
D. Plasticity
E. 3
Solution (By Examveda Team)
RQD provides a measure of rock mass quality based on the percentage of solid core pieces longer than 10 cm.It helps assess stability during tunneling.This Question Belongs to Geological Engineering >> Engineering Properties Of Rocks And Soils
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