A review on concrete fracture energy and effective parameters

This paper presents a discussion on the subject of fracture energy of concrete and effective parameters. Therefore, it serves as an overview of the available approaches in determining the fracture energy. It also includes experimental methods which form the basis for measuring the fracture energies...

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Bibliographic Details
Published inCement and concrete research Vol. 120; pp. 294 - 321
Main Authors Khalilpour, S., BaniAsad, E., Dehestani, M.
Format Journal Article
LanguageEnglish
Published Elmsford Elsevier Ltd 01.06.2019
Elsevier BV
Subjects
Characteristic length
Crack
Fracture energy
Fracture mechanics
Fracture toughness
Mathematical models
Parameters
Size effect
Size effects
Fracture mechanics
Fracture energy
Size effect
Crack
Characteristic length
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ISSN0008-8846
1873-3948
DOI10.1016/j.cemconres.2019.03.013

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Summary:This paper presents a discussion on the subject of fracture energy of concrete and effective parameters. Therefore, it serves as an overview of the available approaches in determining the fracture energy. It also includes experimental methods which form the basis for measuring the fracture energies obtained from work of fracture (GF) and size effect models (Gf) and thus provides a comparison between different models. Furthermore, the behavior of the load-displacement curve, factors affecting the fracture energy and the crack path in the specimen are discussed. In order to build a background for the current understanding of fracture energy, references from both former and present authors are included to tie the subject together within the course of time.
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ISSN:0008-8846
1873-3948
DOI:10.1016/j.cemconres.2019.03.013