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SUMMARY:Groundwater control for construction - Dr Martin Preene\, Preene G
 rounwater Consulting
DTSTART:20180530T180000Z
DTEND:20180530T190000Z
UID:TALK105271@talks.cam.ac.uk
CONTACT:Fiona Hughes
DESCRIPTION:Groundwater is a common problem in excavations associated with
  basements\, foundations and tunnels. If not adequately controlled and man
 aged during construction\, groundwater can cause a range of geotechnical p
 roblems\, including running sands\, excessive ground loss\, base heave and
  collapse of excavations\, resulting in additional costs and time delays.\
 nHowever\, with good planning\, design and execution\, below ground works 
 can be successfully and efficiently carried out even in very challenging g
 roundwater conditions.\nThis presentation provides a background to the mor
 e commonly used methods of groundwater control and dewatering\, and includ
 es a review of the techniques used for groundwater control by pumping (sum
 p pumping\, wellpoints\, deep wells\, ejector wells) and for groundwater c
 ontrol by exclusion (cut-off walls\, grouting\, artificial ground freezing
 ). Particular applications and challenges of groundwater control are discu
 ssed.
LOCATION:Old Library\, Sidney Sussex College
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