Experimental Study on High Strength Concrete using Quarry Fines and Recycle Concrete Aggregate

History of cementing material is as old as history of engineering construction such as in monument construction of Egypt, Greek, India and Rome. The usage of concrete dates back to starting of 20th century after discovery of cement. Conventional concrete making constituents are cement, fine aggregates, coarse aggregate, water and mineral or chemical admixtures. On the other hand, usage of natural aggregates from river beds/banks and other sources such as rocks can seriously create environmental threats. This study aims to develop the sustainable use of recycled concrete aggregate along with quarry fines in structural concrete to reduce the environmental impact. Therefore, my objective is to investigate the property of fresh concrete made up of Recycled Concrete Aggregate along with Quarry fines by slump test. From the literature, it's far-famed that usage of recycled concrete as aggregates has some limitations for strength and freeze-thaw resistance. This study aims to perform experimental studies to research the properties of hardened concrete created with recycled concrete aggregates alongside quarry fines. Experiments such as compressive strength, flexure strength are performed to determine the suitability of concrete. This is also to determine the suitability for application in high strength concrete up to 60MPa. Analysis was made by replacing RCA in following percentage 0%, 25%, 50%, 75%, 100% and all samples have 50% (by weight) quarry dust as fine aggregate replacement.