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| Engineering Properties of Concrete produced using Aggregates from Polyethylene Terephthalate Plastic Waste
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Chikadibia K. A. Uche, Fwangmun B. Wamyil; Tamunokuro O. Amgbara; Itafe V. Adacha
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Abstract:
Plastic is a globally accepted material for a wide variety of applications. Plastic waste materials contribute to pollution of the environment due to improper disposal methods. An ideal method of disposal of plastic waste is its incorporation into the construction industry. The objective of this study is to evaluate the engineering properties of concrete produced with aggregates from polyethylene terephthalate plastic waste. Fine and coarse aggregates were obtained from polyethylene terephthalate plastic waste and used to produce concrete. The engineering properties of focus were: slump of fresh concrete, the density of hardened concrete and compressive strength of hardened concrete. These properties were evaluated using the relevant British Standard European Norm equipment and procedures. The values obtained are as follows: slump - 10mm, the maximum density of hardened concrete (14 days curing) - 1500 kg/m3 and maximum compressive strength (28 days curing) - 12.16 N/mm2. The slump value indicates a very dry mix suitable for the production of interlocking blocks and kerb stones. The density value is of lightweight concrete suitable for use as roof fascia, slabs and tiles. The value of compressive strength indicates that the concrete can find application in the design of concrete structures, specifically, low load-bearing precast partitions/sections.
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