This research looks at how well concrete performs when fine particles are partially replaced with recycled plastic. In light of the increasing environmental issues around plastic waste and the need for sustainable building materials, recovered plastic shows great promise as a fine aggregate substitute. The study investigates the effects of different percentages of recycled plastic (10%, 20%, and 30%) on the workability and mechanical characteristics of concrete. Recycled plastic was substituted for fine aggregate in concrete mixtures at varying degrees, and important performance metrics including workability, flexural strength, and compressive strength were assessed. The findings suggest that adding recycled plastic to concrete has a significant effect on its characteristics. Higher amounts (20% and 30%) resulted in a loss in compressive and flexural strength, but workability increased. In contrast, a 10% substitution had no influence on strength or workability. When compared to conventional aggregates, plastic has a lower density and worse bonding properties, which is why its strength has decreased. The use of recycled plastic offers a sustainable alternative to the management of plastic waste while also significantly reducing the total environmental effect of concrete manufacturing, even if strength decreases at greater replacement levels. According to the study's findings, recycled plastic may be used to concrete mixtures successfully, especially if the replacement amount is adjusted to strike a balance between sustainability and performance. Future studies should concentrate on long-term robustness and the creation of better processing techniques to increase recycled plastic's performance in concrete applications.

This research looks at how well concrete performs when fine particles are partially replaced with recycled plastic.