For underground metro construction in urban areas, why is geotechnical borehole logging essential?
A. To locate electrical lines
B. To test air quality
C. To understand subsoil layers and groundwater
D. To evaluate traffic impact
Answer: Option C
Solution (By Examveda Team)
Borehole logging reveals soil profile, water table, and rock properties critical for tunnel design, safety, and dewatering strategy.This Question Belongs to Geological Engineering >> Engineering Geology For Construction
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