Nominal strength and size effect of quasi-brittle structures with holes

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The main contribution of this work is to introduce analytical models able to create simple design charts that would allow designers to quickly determine the strength of quasi-brittle structures containing circular holes. Cohesive Zone Models are an excellent tool to model quasi-brittle structures with holes in which a large failure process zone is confined in a plane. Also, the CZM is able to predict the effect of the structure size on its strength. Moreover, it is one of the few models (or the only model) that takes into account the material cohesive law explicitly. Therefore, most of the presented models in this work are based on the cohesive zone model. ​
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