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Crossrail tunneling complete
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June 4th 15, 09:58 PM posted to uk.transport.london
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Crossrail tunneling complete
In article ,
(Roland
Perry) wrote:
In message , at 20:24:40 on Thu, 4 Jun
2015, Mizter T remarked:
HS1 ate someone's back garden in the Stratford area.
Which is just wot I said in my earlier post!
Ah. Yes. But "tunnelling collapse" doesn't always produce a sink
hole. The Crossrail one for example.
But there was another in the middle of Heathrow when they were
building HEx (with the same sort of sprayed concrete design as
Crossrail).
That was the aforementioned NATM incident.
--
Colin Rosenstiel
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