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An investigation on TCC joints using expanded polystyrene light-weight concrete
Conference paper   Peer reviewed

An investigation on TCC joints using expanded polystyrene light-weight concrete

F Moshiri, C Garven, Christophe Gerber, H R Valipour, J Shrestha and K Crews
Proceedings of the 2012 World Conference on Timber Engineering, pp.130-135
World Conference on Timber Engineering (WCTE), 2012 (Auckland, New Zealand, 15-Jul-2012–19-Jul-2012)
Curran Associates Inc.
2012
url
http://toc.proceedings.com/15852webtoc.pdfView
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Abstract

Civil Engineering Architecture expanded polystyrene bead light-weight concrete push out test SFS screws shears connection timber concrete composite floor (TCC)
Interest in timber-concrete composite (TCC) floors has increased over the last 30 years. TCC technology relies on timber and concrete members acting compositely together. There are only few researches about the effect of concrete on the structural behaviour of TCCs. For example, the application of light weight concrete (LWC) provides an interesting alternative to minimize the dead load on the timber component. However, LWC exhibits lower strength properties and higher shrinkage compared to conventional concrete. The experimental aspect of the research consists of push-out tests and aims to characterise stiffness, load capacity and failure mode of TCC joints with LWC. The test results are compared to that of TCC joints with conventional concrete (reference) and that found in the literature. This research suggests that there is strong potential for moderate LWC (ρ > 2000 kg/m3) in TCC with limited effect on the structural performance of the TCC element. Whilst the low compressive strength of lighter LWC (ρ < 2000 kg/m3) may have limited applications.

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