Modelling of concrete behaviour with a non-local continuum damage approach

• Autorzy: Bobiński J. , Tejchman J.
• Języki publikacji: EN

Abstrakty

EN

The paper presents FE-results on the behaviour of concrete under plane strain conditions. The material was modelled using a simple isotropic damage continuum model. The model was enriched by non-local terms to avoid a pathological mesh-sensitivity and to obtain a well-posed rate boundary value problem. The constitutive model was used to simulate localization of deformation in 3 benchmark problems: a double-edge notched specimen under uniaxial tension and a notched beam under three- and four-point bending. Attention was laid on the effect of a characteristic length on the load-displacement curves and strain localization. The FE-results were compared with experiments and other numerical studies.

Słowa kluczowe

EN

characteristic length; concrete; crack; damage model; FEM; non-local theory

• Wydawca: Institute of Hydro-Engineering of Polish Academy of Sciences
• Czasopismo: Archives of Hydro-Engineering and Environmental Mechanics
• Rocznik: 2005
• Tom: Vol. 52, nr 3
• Strony: 243--263
• Opis fizyczny: Bibliogr. 80 poz., il.

Twórcy

autor

Bobiński J.

• University of Technology Faculty of Civil and Environmental Engineering, 80-952 Gdańsk, ul. Narutowicza 11/12, Poland

autor

Tejchman J.

• University of Technology Faculty of Civil and Environmental Engineering, 80-952 Gdańsk, ul. Narutowicza 11/12, Poland

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