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Civil-Comp Proceedings
ISSN 1759-3433
CCP: 102
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Paper 17

Innovative Perforated Shear Connectors in Composite Girders

L.F. Costa Neves1, P.C.G. da S. Vellasco2, L.R.O. de Lima2 and J.G. Santos da Silva2

1INESCC, Civil Engineering Department, University of Coimbra, Portugal
2Structural Engineering Department - ESTR, State University of Rio de Janeiro - UERJ, Brazil

Full Bibliographic Reference for this paper
L.F. Costa Neves, P.C.G. da S. Vellasco, L.R.O. de Lima, J.G. Santos da Silva, "Innovative Perforated Shear Connectors in Composite Girders", in , (Editors), "Proceedings of the Fourteenth International Conference on Civil, Structural and Environmental Engineering Computing", Civil-Comp Press, Stirlingshire, UK, Paper 17, 2013. doi:10.4203/ccp.102.17
Keywords: composite structural systems, steel-to-concrete shear connection, perforated connectors.

The results of push-out tests performed at the Civil Engineering Department of the University of Coimbra, Portugal, on perforated steel shear connectors with varying geometries suitable for steel and concrete composite floors are presented and discussed. In addition to the tests using the previously presented Perfobond and T-Perfobond geometries, further tests on two innovative geometries, the I-Perfobond and Double T-Perfobond were also performed. The shear connector geometry and the provision of transverse reinforcement within a shear connector's holes are the major variables in this study. Some results focusing on the shear connector's shear transfer capacity, ductility and collapse modes are presented. Finally, a comparison of these innovative perforated connectors performance with the traditional studs, highlights the economical and structural relevance of these connectors.

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