Abstract

This study evaluates the mechanical properties of kerb stone incorporating polypropylene (PP) material, to enhance durability and performance. In the wake of increasing environmental concerns and the need for sustainable construction practices, the reuse of plastic waste, particularly polypropylene, has emerged as a promising solution. Polypropylene, known forits durability,resistance to chemical attacks, and low water absorption, offerssignificant potential when integrated into concrete products. In this research, standard kerb stone specimens were modified with varying percentages of PP waste (0%, 2%, 4%, 6%, and 8%) and subjected to a series of mechanical tests, including compressive strength, flexural strength, and water absorption. The results showed that the inclusion of PP material, especially in the range of 4–6%, led to an improvement in both compressive and flexural strength compared to conventional kerb stones. Additionally, water absorption was marginally reduced, indicating improved durability. The study demonstrates that PP-modified kerb stones exhibit enhanced mechanical behavior and could serve as a sustainable alternative in pavement and roadside applications. The use of plastic waste not only enhances the properties of concrete but also provides an effective strategy for managing plastic waste, supporting circular economy principles. However, challenges such as the uniform dispersion of PP in concrete and long-term performance under environmental stressors warrant further investigation. Overall, the study concludes that incorporating polypropylene waste into kerb stone production is both technically feasible and environmentally beneficial, paving the way for more sustainable and durable urban infrastructure solutions.

Keyword: Polypropylene waste, kerb stone, mechanical properties, compressive strength, flexural strength, water absorption, sustainable construction

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