Preparation and evaluation of physio- chemical properties of plastic wastes pavement blocks

Abstract

This study investigates the utilization of plastic wastes, such as high-density polyethylene (HDPE), poly propylene (PP), and polyethylene  terephthalate (PET) in the production of pavement block. These plastic were mixed in different ratios with cement, sand, and stone dust  to produce durable and cost-effective blocks.The plastic wastes was shredded, melted (170^oC-260^oC), and mixed with fillers. The mixture  was cast into moulds and tested for water absorption, acid and base resistance properties. Significant improvements were observed: zero  water absorption compared to conventional blocks (water absorption 7.8%), the plastic pavement blocks demonstrated superior  performance. This research demonstrates the potential of plastic waste in construction, offering a sustainable solution for waste  management and environmentally friendly infrastructure development.