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Pollack Periodica
Authors: Peter Michalek, Jakub Kralovanec, and Jan Bujnak

this type of composite structures. The suitable method to found the shear connection properties could be full-scale composite beam tests, but quite a time-consuming and rather costly [ 1 ]. Therefore push-out test were implemented in the research [ 2

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Several types of economical and effective connectors are commonly used for composite steel and concrete beams at present. Perforated shear connector has been developed during last two decades and have become popular due to their advantageous properties. At the Department of Steel and Timber Structures of CTU many experiments (push-out test) were carried out with two types of connector with different openings, various strengths of concrete and amount of reinforcement. The design formulas for static shear load capacity were deduced on the basis of these experiments. Nowadays, small modification of basic connector was designed for decrease of laboriousness in situ. Results of modified connector are in good compare with previous one.

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Duratná P., Bujňák J., Bouchaïr A. Modeling of the steel-concrete push-out test, Abstracts Book of the 8th International PhD & DLA Symposium on Architectural, Engineering and Information Sciences , Pécs, Hungary

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Abstract

The resistance of steel-concrete composite trusses is significantly influenced by shear connection producing interaction between the steel beam and concrete slab. To create the interaction between these structural parts, it is needed to prevent the relative slip at the steel-concrete interface using the shear connectors. Push-out testing can reflect the more real effect of the longitudinal force and reproduce the distribution of the shear force between the steel section and concrete slab. The finite element analysis is used in the paper to investigate numerically this structural system behavior, exploiting finite element computer procedures.

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PM Rozing 1992 A finite element analysis of the push-out test: Influence of test conditions J Biomed Mater Res 26 119 130

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