What method was primarily used to stabilize tunnel portals in the Konkan Railway project?
A. Grouting
B. Rock bolting and shotcrete
C. Timber lagging
D. Excavation through rockfill
Answer: Option B
Solution (By Examveda Team)
In the Konkan Railway project, many tunnel portals were stabilized using rock bolting and shotcrete to deal with weak lateritic soils and rainfall-induced instability.This Question Belongs to Geological Engineering >> Case Studies And Applied Geological Engineering Projects
Which geotechnical failure occurred in the 1963 Vajont Dam disaster in Italy?
A. Overtopping of dam
B. Foundation failure
C. Landslide into reservoir
D. Earthquake-induced cracking
What was the main geological issue in the Panama Canal expansion project?
A. Lava flow
B. Marine sediment instability
C. Hard rock tunneling
D. Seismic liquefaction
In the case of the Leaning Tower of Pisa, what caused the leaning?
A. Uneven settlement due to clayey soil
B. Earthquake damage
C. Poor construction material
D. Tectonic movement
Which engineering technique stabilized the Hong Kong slopes after landslide disasters?
A. Tunneling
B. Shotcreting and soil nailing
C. Earth reinforcement
D. Floating raft foundation
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