doi:10.3850/978-981-08-9247-0_rp059-icsas11

ABSTRACT

Laboratory tests are very time consuming and can be expensive for various types of structural engineering problems and, in particular cases, can even be impractical. On the other hand, the Finite Element Method has become a powerful tool for the analysis of a wide range of engineering problems. This was the main motivation for the present investigation that focuses on the evaluation of the shear connection action in composite steel and concrete models using the FE software ANSYS, version 11.0. A three-dimensional FE model are was proposed for the typical push-out test standard configuration and was compared to experimental and numerical results available in the literature. All the material non-linearities were considered and the structural behaviour of the headed shear stud connectors was modelled based on available experimental push-out test curves. The models were able to simulate the typical failure modes and stress/strain evolution of the push-out tests. The 3D model could also accurately predict the load slip behaviour and stud shear forces. Based on the comparison between the test results and the FE analyses, the model was used to undertake parametric studies varying the concrete compressive strengths.

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