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Tension softening diagrams and evaluation of properties of steel fiber reinforced concrete
For a better understanding of the fracture behaviour of concrete structures, knowledge of the post-cracking behaviour of concrete material is essential. The tension softening diagram can describe the post-cracking behaviour of concrete in tension. In this paper, the properties of various kinds of steel fiber reinforced concrete (SFRC) were evaluated by means of the tension softening diagrams, after discussion of the applicability of the fictitious crack model to SFRC. The fracture energy of conventional SFRC was independent of the specimen size. For the evaluation of the properties of SFRC with different matrix strength, the shape of the tension softening diagram and the fracture energy were superior to the flexural strength. The fracture energy of SFRC with high strength matrix was dependent on the tensile strength of the steel fiber.
Tension softening diagrams and evaluation of properties of steel fiber reinforced concrete
For a better understanding of the fracture behaviour of concrete structures, knowledge of the post-cracking behaviour of concrete material is essential. The tension softening diagram can describe the post-cracking behaviour of concrete in tension. In this paper, the properties of various kinds of steel fiber reinforced concrete (SFRC) were evaluated by means of the tension softening diagrams, after discussion of the applicability of the fictitious crack model to SFRC. The fracture energy of conventional SFRC was independent of the specimen size. For the evaluation of the properties of SFRC with different matrix strength, the shape of the tension softening diagram and the fracture energy were superior to the flexural strength. The fracture energy of SFRC with high strength matrix was dependent on the tensile strength of the steel fiber.
Tension softening diagrams and evaluation of properties of steel fiber reinforced concrete
Zug-Entfestigungs-Diagramme und Ermittlung der Eigenschaften von mit Stahlfasern verstärktem Beton
Kurihara, N. (author) / Kunieda, M. (author) / Kamada, T. (author) / Uchida, Y. (author) / Rokugo, K. (author)
Engineering Fracture Mechanics ; 65 ; 235-245
2000
11 Seiten, 10 Bilder, 10 Tabellen, 3 Quellen
Article (Journal)
English
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