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SUMMARY:Zoom seminar - Virtual laboratory for reinforced concrete: Lattice
  modelling - Peter Grassl\, James Watt School of Engineering\, University 
 of Glasgow
DTSTART:20200424T140000Z
DTEND:20200424T150000Z
UID:TALK141655@talks.cam.ac.uk
CONTACT:Dr Maria Marques de Carvalho
DESCRIPTION:Improving the design of reinforced concrete requires a good un
 derstanding of its failure process\, which is complex because of the inter
 play of cracking and crushing of concrete\, yielding and rupture of steel\
 , and time dependent deterioration processes such as corrosion induced cra
 cking. A virtual laboratory\, in which computer models are used to simulat
 e the failure process\, plays an important role in elucidating the effects
  of material composition on structural response. This presentation discuss
 es recent progress in developing lattice models for analysing detailed fra
 cture and mass transport processes. The application of lattice models to t
 he analysis of fracture process zones\, corrosion induced cracking and mic
 rocracking induced increase of permeability in concrete are discussed.\n\n
 Selected references\n\nGrassl P.\, Jirásek M.\, Gallipoli D. "Initiation 
 of fluid-induced fracture in a thick-walled hollow permeable sphere"\, Eur
 opean Journal of Mechanics-A/Solids 76\, 123-134\, 2019.\nGrassl P. and A.
  Antonelli. "3D network modelling of fracture processes in fibre-reinforce
 d geomaterials"\, Int J Solids Struct\, vol. 156-157\, Pages 234-242\, 201
 9.\nAthanasiadis I.\, Wheeler S. and Grassl P. "Hydro-mechanical network m
 odelling of particulate composites"\, International Journal of Solids and 
 Structures. Vol. 130-131\, Pages 49-60\, 2018.\nFahy C.\, Wheeler S.\, Gal
 lipoli D. and Grassl P. "Corrosion induced cracking modelled by a coupled 
 transport-structural approach." Cement and Concrete Research. Vol. 94\, Pa
 ges 24-35\, 2017.\nGrassl P.\, Bolander J. "Three-Dimensional Network Mode
 l for Coupling of Fracture and Mass Transport in Quasi-Brittle Geomaterial
 s"\, Materials\, 9\, 782\, 2016.\nXenos D.\, Grégoire D.\, Morel S. and G
 rassl P. "Calibration of nonlocal models for tensile fracture in quasi-bri
 ttle heterogeneous materials." J Mech Phys Solids\, vol. 82\, Pages 48-60\
 , 2015.\nGrassl P.\, Fahy C.\, Gallipoli D. and Wheeler S. J. "On a 2D hyd
 ro-mechanical lattice approach for modelling hydraulic fracture". Journal 
 of the Mechanics and Physics of Solids. Vol. 75\, pp. 104-118\, 2015.\nGra
 ssl P. and Jirásek M. "Meso-scale approach to modelling the fracture proc
 ess zone of concrete subjected to uniaxial tension". Int J Solids Struct. 
 Volume 47\, Issues 7-8\, pp. 957-968\, 2010.
LOCATION:Zoom (email structures-admin@eng.cam.ac.uk for link)
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