Published Paper Details:

Aggregate is one of the main ingredients in producing concrete. It covers 75% of the total for any concrete mix. However, the construction industry is increasingly making higher demands of this material and is feared to accommodate the many requests at one time. Hence need for an alternative coarse aggregate arises. The aim for this project was to determine the strength and durability characteristics of high strength structural concrete by using recycled coarse aggregates, which will give a better understanding on the properties of concrete with recycled aggregates. The experimental investigation were carried out using detailed strength and durability related tests such as compressive strength test of cubes, split tensile strength test of cylinders, acid resistance test and test for saturated water absorption. The tests were conducted by replacing the coarse aggregates in high strength concrete mixes by 0, 25, 50 and 75% of recycled coarse aggregates. From the experimental investigation it was found that recycled coarse aggregates can be used for making high strength concretes by adjusting the w/c ratio and admixture contents of the mix.