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SUMMARY:Durability of Carbon Fibre Composite Prestressing Tendons in a Sim
 ulated Marine Environment - Paul Scott (CUED)
DTSTART:20070504T140000Z
DTEND:20070504T150000Z
UID:TALK7088@talks.cam.ac.uk
CONTACT:Nami Norman
DESCRIPTION:\n"Carbon Fibre Reinforced Polymer (CFRP) is corrosion-resista
 nt". Whilst this statement is true in the electrochemical sense\, carbon f
 ibre-epoxy composites are permeable to aqueous solutions\, which can cause
  matrix swelling and softening. What might the effect of these processes b
 e on the durability of such materials when used to prestress concrete in a
 ggressive marine environments?\n\nThis talk will review work in progress w
 here experiments have been conducted to observe aqueous solution uptake an
 d swelling in CFRP prestressing tendons. A model to predict how solution u
 ptake may propagate through such tendons at locations where cracks develop
  in the concrete cover will also be presented.\n
LOCATION:Engineering Department - LR6
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