Análisis Numérico de la Fractura del Hormigón con Base en el Enfoque Peridinámico del Continuo

Paulo R. Dutra; Fernanda de Borbón; Carlos J. Ruestes

doi:10.70567/mc.v41i10.52

Authors

Paulo R. Dutra Universidad Nacional de Cuyo, Facultad de Ingeniería, Área de Dinámica Experimental & CONICET. Centro Universitario, Mendoza, Argentina.
Fernanda de Borbón Universidad Nacional de Cuyo, Facultad de Ingeniería, Área de Dinámica Experimental & CONICET. Centro Universitario, Mendoza, Argentina.
Carlos J. Ruestes Universidad Nacional de Cuyo, Facultad de Ciencias Exactas y Naturales, Instituto Interdisciplinario de Ciencias Básicas & CONICET. Mendoza, Argentina. & Instituto Madrileño de Estudios Avanzados (Materiales). Getafe, Madrid, España.

DOI:

https://doi.org/10.70567/mc.v41i10.52

Keywords:

Peridynamics, discontinuities, quasi-brittle behavior, concrete

Abstract

Despite its widespread use in various fields of engineering, Continuum Mechanics has the principal drawback of dealing with discontinuities. On the other hand, an integral approach, such as Peridynamics, allows for the natural emergence and expansion of cracks in the material. In this regard, the quasi-static mechanical response of concrete beams subjected to three-point bending was analyzed. Based on the Cohesive Zone Model, the quasi-brittle behavior of the concrete was described by a bilinear softening curve, with adjusted parameters (tensile strength and fracture energy) according to the geometry of each beam. It was verified that the proposed technique is suitable for analyzing the flexural behavior of concrete, for different cross-sectional dimensions and initial notch sizes.

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Numerical Analysis of Concrete Fracture Based on the Peridynamic Continuous Approach

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