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SUMMARY:Reinforced Concrete Crack Analysis - Taheer Fayyad - PhD Student C
 UED
DTSTART:20140523T140000Z
DTEND:20140523T143000Z
UID:TALK52739@talks.cam.ac.uk
CONTACT:Lorna Everett
DESCRIPTION:Cracking is a major deterioration mechanism when considering t
 he durability and service life of concrete. Fracture in reinforced concret
 e is complicated because it involves diverse phenomena such as the formati
 on of cracks\, crack propagation\, crack bridging\, the existence of micro
 -cracks\, interactions between the reinforcement and the concrete\, and th
 e concrete microstructure. During the last decades various models were dev
 eloped to simulate the cracking process of reinforced concrete beams. Thes
 e models can broadly be classified as plasticity based models which are ju
 stified in the case of ductile behaviour e.g. beams with enough shear link
 s and fracture mechanics based models which do not treat fracture as a poi
 nt phenomenon but try explaining the crack propagation. In our research we
  are trying to identify the transitional criteria between the two perspect
 ives and generalize the modelling of the cracking process to include the d
 ifferent cases of reinforced concrete. In the seminar\, I am going to outl
 ine different cracking models and comparing the theoretical predictions wi
 th some of the experimental results on reinforced concrete cracking
LOCATION:Cambridge University Engineering Department\, LR5
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