Proceedings of the Korea Concrete Institute Conference (한국콘크리트학회:학술대회논문집)

Korea Concrete Institute (한국콘크리트학회)
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Fundamental thermodynamic concepts for the constitutive modeling of damaged concrete

  • Park, Tae-Hyo (Department of Civil Engineering, Hanyang University) ;
  • Park, Jae-Min (Department of Civil Engineering, Hanyang University) ;
  • An, Tae-Song (Highway & Transportation Technology Institute, Korea Highway Corp.)
  • Published : 2004.05.01
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Abstract

Many damage models has been developed to express the degradation of materials. However, only minor damage model for concrete has been developed because of the heterogeneity of it unlike metals. To model the damaged behavior of concrete, this peculiarity as well as a load-induced anisotropic feature must be considered. In this paper, basic concepts of the thermodynamic theory is investigated to model the behavior of the damaged concrete in the phenomenological viewpoint. And the general constitutive relations and damage evolution equations are investigated too.

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