The Boston Big Dig project faced severe delays due to:
A. Magma chamber discovery
B. Sinkhole formation in karst
C. Unexpected soft clay and utility relocations
D. Fault displacement
Answer: Option C
Solution (By Examveda Team)
The Big Dig encountered soft clays, high groundwater levels, and urban infrastructure, necessitating extensive soil stabilization and support.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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