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SUMMARY:Geotechnical behavior of the energy piles - Echo Ouyang\, CUED
DTSTART:20130523T150000Z
DTEND:20130523T160000Z
UID:TALK42114@talks.cam.ac.uk
CONTACT:Anama Lowday
DESCRIPTION:Energy piles present an efficient solution for long-term carbo
 n emission reduction and sustainable construction. Their use has been grow
 ing since the first reported thermal pile project in the UK at Keble Colle
 ge\, Oxford in 2001.  However\, the momentum of using this technology is h
 indered by the lack of knowledge and standard guidelines in the geotechnic
 al design of the thermal pile. Majority of thermal piles installed so far 
 have been designed using conventional geotechnical factors of safety\, how
 ever with this design approach there are concerns about the serviceability
  limit state (SLS) on thermal piles when subject to cyclic thermal loading
 s.  These concerns often result in the lack of confidence within industry 
 to apply this piling technique.  The research addresses these issues throu
 gh the studying of several field tests data to understand the thermal effe
 cts on piles. These effects include the thermally induced concrete stress\
 , pile head movements\, modification on the mobilized shaft friction with 
 various pile head constraint conditions. Finally a numerical model will be
  proposed to assist the industry in designing energy pile.\n
LOCATION:Engineering Department - Lecture Room 4
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