Abstract
A simple and efficient numerical procedure for mixed mode fracture of quasibrittle materials is shown: This technique predicts crack trajectories as well as load-displacement or load-CMOD responses. The model is based on the cohesive crack concept and uses the local mode I approach. Numerical results agree quite well with three experimental sets of mixed mode fracture of concrete beams; one from Arrea and Ingraffea, another from García, Gettu and Carol and from a nonproportional loading by the authors. In constrast to more sophisticated models, this method offers two major advantages: it requires only material properties measured by standardized methods and it can easily be implemented with general multipurpose finite element codes.
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Cendón, D., Gálvez, J., Elices, M. et al. Modelling the fracture of concrete under mixed loading. International Journal of Fracture 103, 293–310 (2000). https://doi.org/10.1023/A:1007687025575
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DOI: https://doi.org/10.1023/A:1007687025575