Abstract

The influence of non-biodegradable Polyethylene Terephthalate (PET) on the mechanical characteristics and workability of the produced specimens was examined in this research work. However, in cement mixtures with a consistent cement content and water to cement ratio, river sand was substituted for four different PET weight fractions of 10, 20, 30, and 40%. Increasing the amount of PET replacement improves the combinations' workability. However, as PET inclusion increases, the dry density, compressive and flexural strengths decreased, with the exception of the mix that contained 10% PET, which increased the compressive and flexural strengths. It was concluded that the combination containing 30% PET is regarded as a lightweight mortar and appropriate for structural uses based on the dry density and compressive strength data.

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