ISSN 2348 – 7968 Influence of Recycled Coarse Aggregate on ...
aggregate (RCA) obtained from crushing waste concrete (broken kerb stones) found at the University of Botswana Academic Hospital construction site. The focus of the research was ascertaining the workability of the fresh concrete as well as the 28day compressive strength for concrete with varying RCA content of 0%, 25%, 50%, 75%, and 100%. Five mixes with watercement ratio of, and ...