Implementation of waste plastic as a sustainable partial replacement of fine aggregate

Plastic waste is the most environmentally damaging type of garbage. Since plastic cannot decompose naturally, it must be recycled or reused to prevent further harm. The study aims to examine the behavior and certain physical properties of concrete made from recycled plastic materials.This study investigates the probability and efficiency of utilizing disposed plastic as a fractional replacement of fine aggregate in construction materials. Research focuses on understanding the concrete mechanical properties, when merging waste plastic particles in lieu of a portion of traditional fine aggregates. Various types of waste plastic, including plastic bottles, bags, and packaging materials, are analyzed for their suitability as a replacement material. Additionally, various treatment methods, such as shredding, melting, and chemical modification, are considered to enhance the compatibility of plastic with the base materials. Compressive strength was found to investigate the impact of disposed plastic on the concrete mechanical characteristics. A comparative study between conventional concrete and 20% replacement of shredded plastic in fine aggregate was done. 20% replacement mix showed almost equal strength to the conventional concrete. The strength of 20% replacement was found to be 41 MPa, whereas the 30% and 40% was observed to be 38 MPa and 35 MPa respectively.