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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Fe-analysis of spacing of localized zones in reinforced concrete bars under tension using elasto-plasticity with non-local softening
Author(s): Ł. Widulinski, J. Bobinski, J. Tejchman
Appears on pages(s): 257-281
Keywords: bond-slip, reinforced concrete, crack, elasto-plasticity, FEM, non-locality, reinforcement
Abstract:The paper presents quasi-static 3D FE-simulations of strain localization in a reinforced concrete
bar subject to tension. The material was modeled with smeared continuum crack model using an
elasto-plastic constitutive law. A Rankine criterion with isotropic softening and associated flow
rule was adopted in a tensile regime of concrete. The behavior of reinforcement was described
with an elasto-perfect plastic constitutive model. To ensure the mesh-independency, the model
was enhanced in a softening regime by a non-local term to include a characteristic length of
micro-structure. The FE-analyses were carried out with a different characteristic length, non-local
parameter, reinforcement ratio, distribution of the tensile strength, bond between concrete and
reinforcement, softening curve, softening rate and energy fracture.
Polish Academy of Sciences, International Partner Access.
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