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      A multiscale method to analyze the deterioration due to alkali silica reaction considering the effects of temperature and relative humidity

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      Author
      Wu, T.
      Temizer I.
      Wriggers P.
      Date
      2013
      Source Title
      Computational Methods for Coupled Problems in Science and Engineering V - A Conference Celebrating the 60th Birthday of Eugenio Onate, COUPLED PROBLEMS 2013
      Publisher
      International Center for Numerical Methods in Engineering
      Pages
      1094 - 1100
      Language
      English
      Type
      Conference Paper
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      Abstract
      This work presents a three-dimensional multiscale framework to investigate the deterioration resulting from alkali silica reaction (ASR) in the concrete. In this contribution, 3D micro-CT scan of hardened cement paste (HCP) and aggregates with a random distribution embedded in a homogenized cement paste matrix represent the microscale and mesoscale of the concrete respectively. A 3D hydro-chemo-thermo-mechanical model based on staggered method is developed at the mesoscale of the concrete, yet taking into account the deterioration at the microscale due to ASR.
      Keywords
      Alkali silica reaction
      Concrete
      Coupling
      Multiscale
      Computational methods
      Computerized tomography
      Concretes
      Couplings
      Deterioration
      Silica
      Alkali-silica reaction
      Effects of temperature
      Hardened cement paste
      Model-based OPC
      Multi-scale frameworks
      Multiscale
      Multiscale method
      Random distribution
      Concrete aggregates
      Permalink
      http://hdl.handle.net/11693/28054
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