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An elastic plastic damage formulation for concrete: Application to elementary tests and comparison with an isotropic damage model

Jason, Ludovic ; Huerta, Antonio ; Pijaudier-Cabot, Gilles ; Ghavamian, Shahrokh

Computer Methods in Applied Mechanics and Engineering, 2006, Vol.195(52), pp.7077-7092 [Tạp chí có phản biện]

ISSN: 0045-7825 ; E-ISSN: 1879-2138 ; DOI: 10.1016/j.cma.2005.04.017

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  • Nhan đề:
    An elastic plastic damage formulation for concrete: Application to elementary tests and comparison with an isotropic damage model
  • Tác giả: Jason, Ludovic ; Huerta, Antonio ; Pijaudier-Cabot, Gilles ; Ghavamian, Shahrokh
  • Chủ đề: Concrete ; Damage ; Plasticity ; Concrete ; Damage ; Plasticity ; Engineering ; Applied Sciences
  • Là 1 phần của: Computer Methods in Applied Mechanics and Engineering, 2006, Vol.195(52), pp.7077-7092
  • Mô tả: Pure elastic damage models or pure elastic plastic constitutive laws are not totally satisfactory to describe the behaviour of concrete. They indeed fail to reproduce the unloading slopes during cyclic loading which define experimentally the value of the damage in the material. When coupled effects are considered, in particular in hydro-mechanical problems, the capability of numerical models to reproduce the unloading behaviour is essential, because an accurate value of the damage, which controls the material permeability, is needed. In the context of very large size calculations that are needed for 3D massive structures heavily reinforced and pre-stressed (such as containment vessels), constitutive relations ought also to be as simple as possible. Here an elastic plastic damage formulation is proposed to circumvent the disadvantages of pure plastic and pure damage approaches. It is based on an isotropic damage model combined with a hardening yield plastic surface in order to...
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 0045-7825 ; E-ISSN: 1879-2138 ; DOI: 10.1016/j.cma.2005.04.017

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