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Which factor contributed to ground heave during Crossrail tunneling in London...

This question belongs to Geological Engineering Case Studies And Applied Geological Engineering Projects
Case Studies and Applied Geological Engineering Projects
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Which factor contributed to ground heave during Crossrail tunneling in London?

Answer & Solution
Correct Answer: Option B
London Clay expands upon unloading or moisture gain. During Crossrail tunneling, this caused ground heave in some areas, which had to be carefully monitored.
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