ADDIS ABABA UNIVERSITY ADDIS ABABA INSTITUTE OF TECHNOLOGY SCHOOL OF CIVIL AND ENVIRONMENTAL ENGINEERING THE EFFECT OF METAKAOLIN ON THE COMPRESSIVE STRENGTH OF RECYCLED AGGREGATE CONCRETE A Thesis in Structural Engineering By Aron Berhanu 04/10/2019 Addis Ababa A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Master of Science