Study on Bitumen Modified with Crumb Rubber and PVC

Abstract: This study investigates the mechanical and rheological properties of bitumen modified with crumb rubber and polyvinyl chloride (PVC). The crumb rubber and PVC were added to bitumen at varying percentages and the resulting modified bitumen was tested for its viscosity, penetration, softening point, and elastic recovery. The results show that the addition of crumb rubber and PVC to bitumen improves its viscosity and elastic recovery properties, while reducing its penetration and softening point. The study also explores the optimal percentage of crumb rubber and PVC for modifying bitumen to achieve the desired mechanical and rheological properties. Overall, the study highlights the potential of using crumb rubber and PVC as sustainable additives for improving the performance of bitumen in road construction.