Anisotropic Damage Model for Concrete

Pituba, José Julio de Cerqueira; Fernandes, Gabriela Rezende

doi:10.1061/(asce)em.1943-7889.0000260

Cited by 36 publications

(30 citation statements)

References 24 publications

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“…The failure surfaces proposed in the literature for a concrete-like material are generally based upon phenomenological models ( [5], [32], [33], [34] and [1]). The models of this kind rely upon a rigorous thermodynamics framework [27], which is very well adapted to structural computation.…”

Section: Literature Review On Failure Surfacesmentioning

confidence: 99%

Anisotropic constitutive model of plasticity capable of accounting for details of meso-structure of two-phase composite material

Benkemoun

Ibrahimbegović

Colliat

2012

Computers & Structures

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International audienceIn this work, we discuss a novel anisotropic constitutive model of plasticity, which can be used to replace the classical phenomenological models for composite materials, like concrete, with marked difference of behavior in tension and compression. The model is constructed from fine scales by making use of the corresponding meso-scale representation of concrete distinguishing aggregate from cement paste. The elastic response and failure mechanisms at this scale are represented by the corresponding unstructured mesh of truss elements, which is shown to be capable of representing a number of fine features of inelastic response, such as the statistical isotropy of elastic response placed in-between the stringent Hashin-Shtrikman bounds, the pronounced difference of behavior in tension and compression, the sensitivity of bi-axial compression strength to the volume fraction of aggregate and the bi-axial fracture energy corresponding to each particular mode of failure. The results of this kind obtained with meso-model are then packed within a new meso-scale model with these enhanced features, which can be used to successfully replace the standard phenomenological models of concrete in ultimate state computations of complex structures providing increased predictive capabilities

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Section: Literature Review On Failure Surfacesmentioning

confidence: 99%

Anisotropic constitutive model of plasticity capable of accounting for details of meso-structure of two-phase composite material

Benkemoun

Ibrahimbegović

Colliat

2012

Computers & Structures

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“…In this context, modelling heterogeneous material in different scales is very important to better represent the behaviour of such complex materials [6][7][8][9][10]. In many situations the traditional phenomenological approach for constitutive description does not provide a sufficiently general predictive modelling capability [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

FEM/BEM formulation for multi-scale analysis of stretched plates

Fernandes

Pituba

Neto

2015

Engineering Analysis with Boundary Elements

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“…Physically, it is an irreversible thermodynamic process accompanying energy dissipation and changes of the microstructure [4]. Such a progressive degradation of material properties can be phenomenologically described by models [5][6][7][8][9][10][11][12][13][14][15][16][17] based on continuum damage mechanics (CDM), which is generally accepted by the scientific and engineering communities [18].…”

Section: Introductionmentioning

confidence: 99%

Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials

Cheng

et al. 2019

Advances in Civil Engineering

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This paper proposes a tension-compression damage model for concrete materials, formulated within the framework of thermodynamics of irreversible processes. The aim of this work is to solve the following problems: the premature divergence of numerical solutions under general loading conditions due to the conflict of tensile and compressive damage bounding surfaces, which is a result of the application of the spectral decomposition method to distinguish tension and compression, and the unsatisfactory reproduction of distinct tension-compression behaviors of concrete by strain-driven damage models. The former is solved by the sign of the volumetric deformation, while the latter is solved via two separated dissipation mechanisms. Moreover, of specific interest is an improved solution to the problem of mesh-size dependency using consistent crack bandwidths, which takes into account situations with irregular meshes and arbitrary crack directions in the context of the crack band approach. The performance of the model is validated by the well-documented experimental data. The simplicity and the explicit integration of the constitutive equations render the model well suitable for large-scale computations.

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Anisotropic Damage Model for Concrete

Cited by 36 publications

References 24 publications

Anisotropic constitutive model of plasticity capable of accounting for details of meso-structure of two-phase composite material

Anisotropic constitutive model of plasticity capable of accounting for details of meso-structure of two-phase composite material

FEM/BEM formulation for multi-scale analysis of stretched plates

Tension-Compression Damage Model with Consistent Crack Bandwidths for Concrete Materials

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