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Influence of volumetric-deviatoric coupling on crack prediction in concrete fracture tests
The influence of volumetric-deviatoric coupling on the prediction of curved crack patterns in concrete fracture tests is analyzed by using an elasto-plastic-damage model, for which the amount of volumetric-deviatoric coupling is controlled by the hardening modulus of the plasticity model. First, the tangent stiffness matrix and the total stress-strain response for simple shear are investigated. Then, two fracture tests reported in the literature are simulated with significantly varying amounts of coupling. It is shown that volumetric-deviatoric coupling greatly improves the description of curved crack patterns in mixed-mode fracture tests.
Influence of volumetric-deviatoric coupling on crack prediction in concrete fracture tests
The influence of volumetric-deviatoric coupling on the prediction of curved crack patterns in concrete fracture tests is analyzed by using an elasto-plastic-damage model, for which the amount of volumetric-deviatoric coupling is controlled by the hardening modulus of the plasticity model. First, the tangent stiffness matrix and the total stress-strain response for simple shear are investigated. Then, two fracture tests reported in the literature are simulated with significantly varying amounts of coupling. It is shown that volumetric-deviatoric coupling greatly improves the description of curved crack patterns in mixed-mode fracture tests.
Influence of volumetric-deviatoric coupling on crack prediction in concrete fracture tests
Einfluss der volumetrisch-deviatorischen Kopplung auf die Rissvorhersage bei Betonbruchprüfungen
Grassl, P. (author) / Rempling, R. (author)
Engineering Fracture Mechanics ; 74 ; 1683-1693
2007
11 Seiten, 15 Quellen
Article (Journal)
English
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