Abstract

In the contemporary world, concrete has a vital existence, moreover is a prominent material in the construction field. Demolitions waste is also increasing due to various factors for e.g. earthquake waste, old structure waste etc. The utilization of Recycled Construction Aggregate (RCA) comes into actuality to direct the protection of natural resources, sustainable development, and environmental consciousness. This research directs towards the effect of recycled concrete aggregates in addition with fly ash on strength properties of concrete. Fine Aggregates (FA) was decided to be used as partial replacement of 20% by weight of cement, whereas RCA were used to partially replace the 20 mm natural aggregate by weight at 15%, 30%, 45% and 60%. Strength properties like Compressive strength, split tensile strength and flexural strength were analyzed after specified curing.

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