Behaviour of multi-span composite steel-concrete beams subjected to combined flexure and torsion

Speaker: Ee Loon Tan

Affiliation: University of Western Sydney

Time: Monday 28/10/2013 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: This research utilised experimental tests to provide further information and conclusions regarding composite steel-concrete beam specimens by examining the behaviour of multi-span composite steel-concrete beams which are subjected to combined actions of torsion and flexure for both full and partial shear connection and comparing the disparity in the varying degrees of shear connection. Generally, it was found that in the presence of torsion, there is no increase in the flexural capacity of a multi-span composite steel-concrete beam regardless of the degree of shear connection. Furthermore, there was no increase in the torsional capacity when flexure was present. In regards to shear connection, partial shear connection multi-span composite steel-concrete beam specimens attained nearly the same capacities in terms of both flexure and torsion as the full shear connection multi-span composite steel-concrete beam specimens. Additionally, it was discovered that the multi-span composite steel-concrete beam specimens achieved almost double the flexural capacities of similar single span composite steel-concrete beams. However, in terms of torsional capacity, there is a larger difference between multi-span composite steel-concrete beam specimens and single span composite steel-concrete beam specimens with multi-span composite steel-concrete beam specimens achieving more than three times the capacities of the single span specimens in certain cases.

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.