Abstract
Today, the booming construction industry in Ethiopia is leading to an increased demolition of concrete structures whereby these demolished structures are disposed at landfills. The current practice is now creating a huge amount of construction and demolition waste over large landfills and is becoming the main source of shortage of land for infrastructure development. On the other hand, for the booming construction there is a huge demand of virgin aggregate for new concrete works. This paper discusses the potential use of demolished concrete from site-tested specimens as a recycled concrete aggregate (RCA) material for new concrete production. The study compares the cost of conventional concrete (CC) with recycled aggregate concrete (RAC). The output of this study will highly impact the growing construction industry and communities in Ethiopia thereby reducing waste, saving cost, conserving natural aggregates, building capacity, and setting quality standards.
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