Abstract
This paper discusses the size effect with respect to the pull-out cone failures of headed anchors embedded in concrete. In this investigation a newly developed model based on fictitious crack approach with two orthogonal rod elements has been employed. In the following the numerical investigation to describe the behavior of headed anchors under tension loading has been carried out by a computer simulation using our original program ANACS (Advanced Nonlinear Analysis of Concrete Structures). To judge the validity of the results, the behavior of the headed anchor with a cone failure, in particular the crack propagation in the concrete predicted by numerical analysis, will be explained.
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