The Journal of Science and Engineering Applications (JSEA)

Abstract

Increasing population , urbanization, and expanding infrastructure projects have led to a significant rise in construction and demolition waste (CDW), increasing the demand for raw materials and creating a need for effective waste management. Despite the environmental and economic advantages of recycling, the use of recycled aggregates in construction remains limited due to low awareness, weak regulations, quality concerns, and the lower cost of natural materials. With landfill space rapidly decreasing, recycling CDW particularly by incorporating Reclaimed Asphalt Pavement (RAP) into concrete is a sustainable solution. This study reviews the application of RAP in pervious concrete, highlighting its impact on mechanical properties, permeability, density, Abrasion resistance and porosity. While RAP tends to reduce mechanical strength and density, it lowers the demand for virgin resources and can cut environmental impact by 15–30%, with greenhouse gas emissions reduced by up to 17% when replacing 50% of natural aggregates.