Which factor contributed to ground heave during Crossrail tunneling in London?
A. High overburden pressure
B. Expanding clay (London Clay)
C. Glacial moraine compression
D. Water table rise
Answer: Option B
Solution (By Examveda Team)
London Clay expands upon unloading or moisture gain. During Crossrail tunneling, this caused ground heave in some areas, which had to be carefully monitored.This Question Belongs to Geological Engineering >> Case Studies And Applied Geological Engineering Projects
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