Recycled Aggregate Concrete, a Sustainable Option from Demolition Concrete Waste- A Percentage Replacement Method
Praveen Mathew1, Jeevan Jacob1, Leni Stephen3, Thomas Paul3
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With the rapid evolution, the construction needs and demolition wastes has increased substantially. These wastes will possess serious environmental threat if not disposed of properly. Instead of using it as land fill, if it is possible to recycle it in the construction industry, it will be of fabulous support to the depleting natural stock of resources. In this study the behaviour of concrete under various percentage replacements for natural aggregate (NA) (both fine and coarse) with recycled aggregate (RA) is examined for its structural property. Properties of recycled aggregate concrete (RAC) such as compressive strength, splitting tensile strength, flexural strength and modulus of elasticity were examined. This gives a correct perception of RAC to be used as a structural material in comparison with the natural aggregate concrete (NAC).