Behaviour of headed stud shear connectors for composite steel-concrete beams incorporating recycled concrete

Speaker: Ee Loon Tan

Affiliation: University of Western Sydney

Time: Monday 20/10/2014 from 14:00 to 15:00

Venue: Access Grid UWS. Presented from Penrith (Y239), accessible from Parramatta (EB.1.32) and Campbelltown (26.1.50).

Abstract: The primary aim of this investigation is to study the behaviour and shear capacity of headed stud shear connectors for composite steel-concrete beams incorporating recycled concrete. Varied coarse recycled aggregate replacement percentages and varied water to cement ratios will form the basis of the parametric studies. A total of twenty push-out specimens have been simulated via finite element modelling. From the studies, lower ultimate load capacities and higher displacements at the steel-concrete interface were observed as the replacement percentages of coarse recycled concrete aggregates increased. In addition, lower water to cement ratios observed higher ultimate load capacities and lower displacement at the steel-concrete interface when compared to higher water to cement ratios for all coarse recycled concrete aggregate replacement percentages. Among some standards, EC4 (Eurocode 2005) has proved to be the best option for being conservative in the calculation of the shear capacity of headed stud shear connectors for composite steel-concrete beams incorporating recycled concrete.

Biography: Dr Ee Loon Tan joined the School of Engineering at University of Western Sydney as a Lecturer in February 2011 after he received his PhD degree from University of Western Sydney in 2010. His PhD was titled: "The effects of partial shear connection on composite steel-concrete beams subjected to combined flexure and torsion." Previously, he graduated from University of New South Wales with both a Bachelor degree in Civil Engineering and a Master degree in Structural Engineering from 1999 to 2004. During his studies, he has worked for CPG Corporation Pte Ltd (Singapore) as an Engineering Trainee in the Civil and Structural Engineering Division from 2001 to 2002. Furthermore, he held a position as a Research Assistant to assist in an Australian Research Council (ARC) Discovery Project from 2009 to 2011 in University of Western Sydney under the supervision of Professor Brian Uy.