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The practicality of recycled polystyrene aggregate in concrete

Paradisis, Thoukididis Athan (2016). The practicality of recycled polystyrene aggregate in concrete. Bachelor of Engineering (4th Year Project) Thesis, Charles Darwin University.

Document type: Thesis
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Author Paradisis, Thoukididis Athan
Title The practicality of recycled polystyrene aggregate in concrete
Institution Charles Darwin University
Publication Date 2016-10-14
Thesis Type Bachelor of Engineering (4th Year Project)
Supervisor Wolff, R.
0905 - Civil Engineering
Abstract The objective of this thesis is to investigate the practicality of concrete where expanded polystyrene (EPS) is used as concrete aggregate. A concrete mix which consists of water, Portland cement and EPS aggregate which completely replaces gravel and sand. It is understood that this form of concrete will be weaker than ordinary concrete.

Polystyrene is a lightweight, durable and versatile plastic that has a wide range of commercial and residential applications. These range from roof insulation, trays, containers, plates, bowls, foam cups and packaging. However in Darwin, after polystyrene is disposed of into recycling bins, it is thrown away to landfill.

This thesis investigates whether it is feasible to commence processing recycled EPS aggregate in the Darwin region. Research into mechanical properties, demand, transportation and cost analysis were conducted to help determine recycled EPS concrete’s practicality for Darwin. Due to low demand, higher cost (then regular 25 MPa concrete) and low compressive strength, at this stage it is found that recycled EPS concrete is not practical for the Darwin region.

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Created: Mon, 28 Nov 2016, 12:19:12 CST by Jessie Ng