Failure and size effect for notched and unnotched concrete beams

D Grégoire, LB Rojas‐Solano… - … Journal for Numerical …, 2013 - Wiley Online Library
Modelling failure in geomaterials, concrete or other quasi‐brittle materials and proper
accounting for size effect, geometry and boundary effects are still pending issues …

Mesoscale analysis of failure in quasi‐brittle materials: comparison between lattice model and acoustic emission data

D Grégoire, L Verdon, V Lefort, P Grassl… - … for Numerical and …, 2015 - Wiley Online Library
The purpose of this paper is to analyse the development and the evolution of the fracture
process zone during fracture and damage in quasi‐brittle materials. A model taking into …

A new rate-dependent stress-based nonlocal damage model to simulate dynamic tensile failure of quasi-brittle materials

LF Pereira, J Weerheijm, LJ Sluys - International Journal of Impact …, 2016 - Elsevier
The development of realistic numerical tools to efficiently model the response of concrete
structures subjected to close-in detonations and high velocity impact has been one of the …

A review of non local continuum damage: Modelling of failure?

G Pijaudier-Cabot, D Grégoire - Networks and heterogeneous …, 2014 - aimsciences.org
Failure of quasi-brittle materials such as concrete needs a proper description of strain
softening due to progressive micro-cracking and the introduction of an internal length in the …

Analysis by Ripley's function of the correlations involved during failure in quasi-brittle materials: Experimental and numerical investigations at the mesoscale

V Lefort, G Pijaudier-Cabot, D Grégoire - Engineering Fracture Mechanics, 2015 - Elsevier
The degradation of quasi-brittle materials encompasses micro-cracks propagation,
interaction and coalescence in order to form a macro-crack. These phenomena are located …

Interaction-based non-local damage model for failure in quasi-brittle materials

LB Rojas-Solano, D Grégoire… - Mechanics Research …, 2013 - Elsevier
The purpose of this paper is to present a new macroscopic approach to describe the
evolving non-local interactions which are produced at the mesoscale during damage and …

Size and boundary effects during failure in quasi-brittle materials: Experimental and numerical investigations

D Grégoire, L Rojas-Solano, V Lefort, P Grassl… - Procedia materials …, 2014 - Elsevier
The degradation of quasi-brittle materials encompasses micro-crack propagation, interaction
and coalescence in order to form a macro-crack. These phenomena are located …

[PDF][PDF] GECE, Seoul, Korea, August 16-18, 2023

KJ Sama, S Gur - Korea, 2023 - i-asem.org
Past earthquake events showed that, even though code stipulated separation distance has
been provided between adjacent building structures, mutual pounding may be observed …

Endommagement non-local, interactions et effets d'échelle

LBR Solano, D Grégoire… - CFM 2013-21ème Congrès …, 2013 - hal.science
L'intérêt de ce travail porte sur la description du processus de fissuration du béton soumis à
des sollicitations mécaniques. Une comparaison numérique/expérimental a permis de …

[PDF][PDF] Correlation during the fracture process analysed with the help of ripley's functions

DGR EGOIRE, V Lefort, G Pijaudier-Cabot - 2016 - framcos.org
The degradation of quasi-brittle materials encompasses micro-cracks propagation,
interaction and coalescence in order to form a macro-crack. These phenomena are located …