1989 | OriginalPaper | Buchkapitel
Numerical Simulation of Concrete Fracture Through a Bilinear Softening Stress-Crack Opening Displacement Law
verfasst von : A. Carpinteri, G. Colombo, G. Ferrara, G. Giuseppetti
Erschienen in: Fracture of Concrete and Rock
Verlag: Springer New York
Enthalten in: Professional Book Archive
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The crack growth process in concrete is analyzed by a cohesive crack model. A bilinear descending stress-crack opening displacement diagram is considered to simulate the flexural behaviour of pre-cracked specimens. Although the shape of the diagram affects the theoretical value of the maximum load, such a dependence is smaller and smaller by decreasing the material fracture energy and/or increasing the specimen size.