In civil engineering, it is common to use a wet type of concrete called 'grout' to stabilise holes or voids underground. For instance, grout can be used in drilled piles.
It is a good idea not to drill a pile into a building (*). Say, a tube line signalling room, before pouring the grout in.
http://www.bbc.co.uk/news/uk-england-london-25862543
And pictures:
http://usvsth3m.com/post/74285062011/you-wont-believe-why-the-victoria-line-is-currently
That's going to cost someone a lot of money ...
(*) I have no idea if that is what happened; it is a guess. I think what happened might just be related to the Crossrail works, but who knows.
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