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SUMMARY:Extraordinary possibilities for concrete structures - Professor Ti
 m Ibell\, Engineering Department\, Cambridge University 
DTSTART:20171013T140000Z
DTEND:20171013T150000Z
UID:TALK87801@talks.cam.ac.uk
CONTACT:Karen Mitchell
DESCRIPTION:Abstract\nWhy do we usually cast wet concrete into rectangular
  and prismatic moulds? After all\, we know that stress resultants vary acr
 oss structures\, so why do we not exploit the mouldability of concrete mor
 e profoundly in its design? We can\, and we should. Were we to do so\, we 
 would place concrete only where we needed it\, leading to savings in concr
 ete use and leading to architecturally-beautiful concrete structures. This
  presentation covers the possibility of using fabric as the formwork for c
 oncrete structures\, and demonstrates that fabric-formed concrete holds al
 l sorts of opportunities for our built environment.\n\nIn its development 
 thus far\, we are able to predict accurately the shapes which will be form
 ed under hanging or stretched fabric. We have devised anchorage solutions 
 for the flexural reinforcement\, and developed various approaches to shear
  reinforcement\, one of which includes a semi-robotic winding process to c
 reate non-prismatic polymeric reinforcement cages. We have discovered that
  surface properties of the concrete are enhanced significantly through cas
 ting onto fabric\, and we have studied the structural behaviour of continu
 ous fabric-formed concrete structures\, given their prevalence in reality.
  This presentation covers the state-of-the-art of fabric-formed concrete r
 esearch.\n
LOCATION:Cambridge University Engineering Department\, LR3
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