Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/26553
Title: Properties of lightweight aggregate concrete prepared with PVC granules derived from scraped PVC pipes
Authors: Kou, SC
Lee, G
Poon, CS 
Lai, WL
Issue Date: 2009
Source: Waste management, 2009, v. 29, no. 2, p. 621-628
Abstract: This paper aims to investigate the fresh and hardened properties of lightweight aggregate concretes that are prepared with the use of recycled plastic waste sourced from scraped PVC pipes to replace river sand as fine aggregates. A number of laboratory prepared concrete mixes were tested, in which river sand was partially replaced by PVC plastic waste granules in percentages of 0%, 5%, 15%, 30% and 45% by volume. Two major findings are identified. The positive side shows that the concrete prepared with a partial replacement by PVC was lighter (lower density), was more ductile (greater Poisson's ratios and reduced modulus of elasticity), and had lower drying shrinkage and higher resistance to chloride ion penetration. The negative side reveals that the workability, compressive strength and tensile splitting strength of the concretes were reduced. The results gathered would form a part of useful information for recycling PVC plastic waste in lightweight concrete mixes.
Publisher: Pergamon Press
Journal: Waste management 
ISSN: 0956-053X
DOI: 10.1016/j.wasman.2008.06.014
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