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SUMMARY:Geotechnical aspects of Energy Piles - Dr Binod Amatya
DTSTART:20081107T163000Z
DTEND:20081107T173000Z
UID:TALK13414@talks.cam.ac.uk
CONTACT:Zelda Stuck
DESCRIPTION:Geothermal energy has emerged as a promising energy source in 
 recent years for heating and cooling system of buildings using its foundat
 ions (e.g. piles\, diaphragm walls). This presentation mainly focuses on e
 nergy piles\, which serve not only as load bearing structures but also as 
 energy exchangers. Although such piles are gaining popularity in recent ye
 ars\, their engineering behaviour under thermo-mechanical loads is still n
 ot clear and very few studies are available to-date. The main objective of
  this research it to investigate the behaviour of such piles by performing
  full-scale mechanical load test coupled with thermal loading (temperature
  cycles). Piles and the surrounding ground were instrumented to monitor st
 rain and temperature. The applied load and movement at the pile head were 
 also recorded. The impacts of heating /cooling cycles on the response of t
 he test piles are described. In particular\, forces mobilised in the piles
  shaft\, resistance mobilised at the pile-soil interface have been inferre
 d from the test response and discussed with respect to allowable concrete 
 stresses and geotechnical factor of safety.\n\nKey Words: Energy Piles\, g
 eothermal energy\, thermo-mechanical load\, shaft resistance\n
LOCATION:Engineering Department - LR6
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