A material model to reproduce mixed‐mode fracture in concrete

This paper presents a material model to reproduce crack propagation in cement‐based material specimens under mixed‐mode loading. Its numerical formulation is based on the cohesive crack model, proposed by Hillerborg, and extended for the mixed‐mode case. This model is inspired by former works by Gál...

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Bibliographic Details
Published inFatigue & fracture of engineering materials & structures Vol. 42; no. 1; pp. 223 - 238
Main Authors Suárez, Fernando, Gálvez, Jaime, Cendón, David
Format Journal Article
LanguageEnglish
Published Oxford Wiley Subscription Services, Inc 01.01.2019
Subjects
cement‐based materials
Crack propagation
Finite element method
material model
Mathematical models
mixed‐mode fracture
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Summary:This paper presents a material model to reproduce crack propagation in cement‐based material specimens under mixed‐mode loading. Its numerical formulation is based on the cohesive crack model, proposed by Hillerborg, and extended for the mixed‐mode case. This model is inspired by former works by Gálvez et al but implemented for its use in a finite element code at a material level, that is to say, at an integration point level. Among its main features, the model is able to predict the crack orientation and can reproduce the fracture behaviour under mixed‐mode fracture loading. In addition, several experimental results found in the literature are properly reproduced by the model.
ISSN:8756-758X
1460-2695
DOI:10.1111/ffe.12898