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SUMMARY:Durability of carbon fibre composite pre-stressing tendons in a si
 mulated marine environment - Paul Scott (CUED)
DTSTART:20070202T150000Z
DTEND:20070202T160000Z
UID:TALK6392@talks.cam.ac.uk
CONTACT:Nami Norman
DESCRIPTION:"Carbon Fibre Reinforced Polymer (CFRP) is corrosion-resistant
 ". Whilst this statement is true in the electrochemical sense\, carbon fib
 re-epoxy composites are permeable to aqueous solutions\, which can cause m
 atrix swelling and softening. What might the effect of these processes be 
 on the durability of such materials when used to prestress concrete in agg
 ressive marine environments?\n\nThis talk will review work in progress whe
 re experiments have been conducted to observe aqueous solution uptake and 
 swelling in CFRP prestressing tendons. A model to predict how solution upt
 ake may propagate through such tendons at locations where cracks develop i
 n the concrete cover will also be presented.\n
LOCATION:Engineering Department - LR6
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