numerical characterization of concrete heterogeneity

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ID: 177074
2002
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Abstract
In this paper, a finite element model including both material heterogeneity and size effects is presented. The concrete is considered as a statistical combination of constituent phase with different properties (aggregate, mortar and interface material). The material point response is based on a combination of the random occurrence of the solid phases in the structural volume as well as on the differences of structural response due to the size effect. Such combination allows for higher or lower heterogeneity corresponding to smaller or larger structural size. Simulations of the material heterogeneity and associated size effect in a computationally efficient and simple manner show good qualitative agreement with available experimental results for the three-point bending and Brazilian split tests.
Reference Key
pitangueira2002materialsnumerical Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Roque Luiz Pitangueira;Raul Rosas e Silva
Journal Majalah Ilmiah Teknologi Elektro
Year 2002
DOI
10.1590/S1516-14392002000300015
URL
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392002000300015
Keywords
heterogeneity concrete size effect mechanics of materials

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