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Models of fracture process zone in concrete, rock, and ceramics

Horii, H. / Zihai, S. / Gong, S.X.

The fracture process zone is a region ahead of a stress-free crack, in which two different mechanisms, micro-cracking and bridging, play important roles. To apply fracture mechanics to concrete, rock, and ceramics, an analytical model of fracture process zone is necessary. A number of models have been proposed. In this paper, the macrocrack-microcrack interaction model and Dugdale-type model are investigated. Their features and related aspects such as microcracking localization and the source of the size effect are discussed.

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Models of fracture process zone in concrete, rock, and ceramics

Horii, H. / Zihai, S. / Gong, S.X.

The fracture process zone is a region ahead of a stress-free crack, in which two different mechanisms, micro-cracking and bridging, play important roles. To apply fracture mechanics to concrete, rock, and ceramics, an analytical model of fracture process zone is necessary. A number of models have been proposed. In this paper, the macrocrack-microcrack interaction model and Dugdale-type model are investigated. Their features and related aspects such as microcracking localization and the source of the size effect are discussed.

Models of fracture process zone in concrete, rock, and ceramics

Horii, H. / Zihai, S. / Gong, S.X.

The fracture process zone is a region ahead of a stress-free crack, in which two different mechanisms, micro-cracking and bridging, play important roles. To apply fracture mechanics to concrete, rock, and ceramics, an analytical model of fracture process zone is necessary. A number of models have been proposed. In this paper, the macrocrack-microcrack interaction model and Dugdale-type model are investigated. Their features and related aspects such as microcracking localization and the source of the size effect are discussed.

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Title:

Models of fracture process zone in concrete, rock, and ceramics

Additional title:

Modelle von Bruchprozessen in Beton, Gestein und Keramiken

Contributors:

Horii, H. (author) / Zihai, S. (author) / Gong, S.X. (author)

Published in:

Cracking and Damage, Strain Localization and Size Effect, Proc. of the France-US Workshop, Laboratoire de Mecanique et Technologie, Cachan, F ; 104-115

Publication date:

1988

Size:

12 Seiten, 21 Bilder, 19 Quellen

Type of media:

Conference paper

Type of material:

Print

Language:

English

Keywords:

EINFLUSSFAKTOR , ANALYTISCHE UNTERSUCHUNG , KERAMIK , THEORETISCHES MODELL , BRUCHMECHANIK , RISSVERLAUF , BETON , MIKRORISS

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